A Cloaking Device? Scientists Gain Ground on Science Fiction

After many false starts, Ulf Leonhardt is pushing ahead with research to develop cloaking technology.

Binge Drinking Puts the Brain, and Life Itself, at Risk

Colleges fight back to stem a growing problem across the U.S.

Bad-Behaving Teens May Be Living Up to Expectations

Parents should not assume that all youth will rebel, expert says

Surface Permafrost Likely to Vanish in Alaska

The unstable thawing of permafrost could cause serious damage to infrastructure in the state.

Shock and Sadness After Fort Hood Shootings

Officials search for a motive after lone gunman goes on a murderous rampage.

Singing in Pregnancy May Be Harder Work

As hormones increase, so does the need to exert more pressure from the lungs, researchers say

Pay Less for Prescription Drugs

Check out pharmacy, clinic and government programs, expert says

Obama Slower Than Bush to Confirm Justices

President Obama has made 26 lower court nominations but only four have been confirmed.

Most Who Want Swine Flu Shot Can't Get It

CDC says 38 million doses now available, with 8 million more due next week

Stem Cells May Offer Alternative to Lung Transplants

Novel protocol could provide new lung tissue for certain patients, researchers say

Early Relapse of MS May Mean Fewer Issues Later

Short-term limitations seem to wane as years go by, researcher says

Istodax Approved for Cutaneous T-Cell Lymphoma

It's a disfiguring cancer affecting the skin

Antimatter Signature Detected in Lightning

Fermi telescope finds evidence that positrons, not just electrons, are in storms on Earth.

Wood Fires Can Harm the Youngest Lungs

Exposed infants more susceptible to bronchiolitis, study finds

Breast-Feeding Benefits Moms and Babies: Report

Nursing exclusively for six months, then with foods until at least 12 months is ideal, dietitians say

New Smells 'Etched' in Brain: Study

Findings might play a role in boosting memories -- or forgetting them, researchers say

Simple Steps Get Walkers Moving

Improved pedestrian routes and formation of walking groups pay off, study finds

Health Insurance: Your Health Plan After Reform

The future points to health insurance plans that provide solid coverage for just about every American.

Chronically Depressed? What to Do When Antidepressants Don't Work

The range of options includes cognitive behavioral therapy and brain stimulation techniques like ECT.

Police: Gunman Caught After Killing 1 in Orlando

Gunman surrendered to police after killing one person at an Orlando office building.

Military Contractors and the Perils of Outsourcing War

Allison Stanger discusses <em>One Nation Under Contract</em>.

Why Can't We Neutralize Nuclear Waste?

It may take decades to develop the technology necessary to reduce nuclear waste.

Should Healthcare Reform Plans Include Coverage for Illegal Immigrants?

Is protecting everyone the best policy in the long run? And who pays?

Portrait of Fort Hood Shooting Suspect Emerges

The alleged shooter worked at Walter Reed for six years, received counseling as a psychiatry intern.

October Jobs Report: A True Witches' Brew

Employers cut 190,000 jobs, and the unemployment rate zooms to 10.2 percent.

Obama: Government Working to Ease Pain of Joblessness

New figures show unemployment at its highest since 1983.

Good Sleepers More Likely to Eat Right

Adequate shuteye is linked to healthier food choices in study

Poor Restroom Cleaning Causes Cruise-Ship Sickness

Baby changing tables cleaned less often than toilet seats, study finds

Can a Bad Boss Make You Sick?

Study ties poor supervisors to higher odds for heart attack

Health Buzz: Newborn's Cries Mimic Mom's Language and Other Health News

Rihanna speaking out about domestic violence; 6 common myths and misconceptions about diabetes

French Scientists Reengineer HIV Virus to Halt Brain Disease

The HIV virus was adapted to carry healthy genes and help halt the advance of a deadly brain disease.

7 Lessons for Democrats and Republicans From the 2009 Elections

Seven lessons the parties need to learn from Tuesday's races.

Clinical Trials Update: Nov. 6, 2009

Health Highlights: Nov. 6, 2009

Delegates Discuss Way Forward in UN Climate Talks

A rift amongst industrial nations and developing economies is endangering meaningful progress.

First Impressions Count When Making Personality Judgments

In a controlled study, observers accurately judged personality traits based on appearance.

Why Nice Guys Usually Get the Girls

Research on water striders contradicts the notion that only aggressive males succeed at reproducing.

Portrait of Fort Hood Shooting Suspect Emerges

The alleged shooter worked at Walter Reed for six years, received counseling as a psychiatry intern.

Health Tip: What's Behind Hip Bursitis?

Some common causes

Early Morning Colonoscopies May Find More Polyps

Study suggests differences in patient preparation and doctor fatigue play a role

Thyroid Cancer Higher in Volcanic Areas

Study finds exposure to toxic compounds may explain the increased cases

Health Tip: Follow Directions When Taking Medication

Here's what can happen if you don't

Health Fears Are Nothing to Sneeze At

After witnessing a sneeze, people worry more about flu, heart attacks, accidents and crime, study finds

Bacteria Flourish in Select Areas of the Human Body

Study maps out areas favored amongst specific microbial communities.

Cooling May Reduce Brain Lesions in Newborns

Treatment after oxygen deprivation accounts for better motor skills later, study suggests

New Mental Health Policy Came Days Before Fort Hood Shooting

Three days before the shooting rampage, Lt. Gen. Robert Cone issued a new mental health policy.

Genes Linked to 'Pot' Belly

And excess consumption of saturated fats raises obesity risk, researchers find

Phosphorus Levels May Predict Heart Disease

Even a slight elevation was linked to coronary artery calcification in study

Species of Butterfly Set to Diverge Into Two

Researchers glimpse speciation in action.

Mystery of the Mojave

Scientists reveal chemistry's role in driving nitrogen loss from desert soil.

Caribbean, Gulf Spared Widespread Coral Damage

Lower ocean temperatures spared fragile coral reefs from further bleaching.

6 Common Myths and Misconceptions About Diabetes

You may be surprised at the causes of and treatment for this chronic, and often deadly, disease.

Military to Debut Virtual School

A new online curriculum is in the works to ease school transitions for itinerant members' children.

Obama's Partisan Balancing Act on Afghanistan

The president must appeal to Republicans, Democrats, and centrists all at the same time.

Stem Cells Repair Acute Lung Injury in Mice

Study findings may lead to way to prevent this cause of death in people

GOP Vs. Americans United for Change on Healthcare Reform

Pending House vote on Obama healthcare plan has fans and foes on high alert.

Firm Says Low-Cost Genome Sequencing Is Possible

10,000 human genomes could be sequenced next year, company says

Germs Mingle Most on Palms, Feet, Forearms

Body-wide survey also finds unique mix of bacteria for each person

Complete Horse Genome Sequence Revealed

Findings could aid understanding of human diseases, scientists say

Gene Therapy for Fatal Brain Disorder 'Just the Beginning'

Pioneering work may offer hope for patients with adrenoleukodystrophy

Newborn Babies May Cry in their Mother Tongues

Days after birth, French and German infants wail to the melodic structure of their languages.

Victims, Relatives to Witness Sniper Execution

John Allen Muhammad will die by injection in a Virginia prison Nov. 10.

Quiz: Taking a Holiday

Test your knowledge of federal and traditional holidays.

Obama: U.S. Must Reverse Course With Indians

The president is seeking to improve the government's relationship with tribal communities.

Health Buzz: Bypass With Pump May Be Better for Patients and Other Health News

4 ways to stop stressing out your kids; experimental new HPV vaccine may halt vulvar cancer.

Genetic Tests for UK Asylum Seekers Sparks Controversy

Britain's pilot DNA testing program seeks to confirm nationality for those seeking asylum.

UNC Basketball Coach Roy Williams: Be Led By Your Dreams

Hansbrough, Lawson, Ginyard, and Hinrich were all leaders on the court.

Doctors Point Out Gaps in U.S. Health Care

Survey finds poorer results, higher costs than in other countries

Swine Flu Virus Dominant Strain Worldwide: WHO

Agency says pathogen continues to target younger adults, producing mild-to-moderate illness

Fetus Learns Intonations of Mother's Tongue

French, German newborns show crying patterns that mimic parents' language, study finds

Not Such a Loner? Tags Reveal White Shark Neighborhoods

Study shows that great whites in the northeastern Pacific Ocean adhere to a rigid route of migration.

They’re World Series Champions, But Are the New York Yankees Good for Baseball?

What do the World Series champions mean for the sport?

Surprising New Connection Made Between Predators and Ecosystems

The carcasses of moose killed by wolves enrich the soil and increase overall fertility.

Negotiators Scale Back UN Climate Pact Ambitions

Negotiators now believe a political agreement is likeliest, rather than a legally binding treaty.

Health Highlights: Nov. 5, 2009

School Violence Drops With Federal Program

Participating districts report safer campuses and communities

Health Tip: Triggering Abdominal Bloating

Some typical causes

Green Tea May Help Prevent Oral Cancer

Small study reports evidence of cancer-fighting properties

Without Job Stress, Retirees Sleep Better

Those who left demanding jobs report the most improvement, study finds

Health Tip: Create Baby's Bedtime Routine

Better habits usually mean a better night's sleep

Answers: Taking a Holiday

Test your knowledge of federal and traditional holidays.

How Bacteria Get Past Our Defenses

Research team uncovers how the bacterium that causes ulcers travels through the stomach mucus.

Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe

Recent reports of H1N1 in a cat or pigs are likely very rare, experts say

Largest Known Galactic Congregation a "Graveyard"

Supercluster is bigger than first thought—and its inhabitants are all dead or dying.

Poorer Outcomes After 'Off-Pump' Bypass Surgery

Keeping patients on the heart-lung machine improved survival, study found

Will New Anemia Drug Top Current Treatments?

Designed for a rare condition, it might have a wider application, experts say

Gene Discovery Gives Clues to Crohn's Disease, Colitis

Mutation is tied to a protein implicated in rare form of bowel disorder, researchers say

New HPV Vaccine Might Stop Vulvar Cancer in its Tracks

Working differently than Gardasil, Cervarix, it targets inside of virus, study shows

Waiting, Wondering About Radiology Results Irks Patients

Getting details in writing would be ideal, survey finds

FDA Initiative Seeks to Reduce Accidental Overdoses

The program will enlist health-care workers, drug makers, consumers, patients

PSA Reading Could Predict Post-Radiation Survival

Rising level in prostate cancer patients may call for more treatment, study finds

The Internet and Americans' Resistance to Leadership

Americans have always been reluctant to grant anyone the right to tell us what to do.

Small Earthquakes May Not Predict Larger Ones

Quakes far from tectonic plate boundaries may simply be aftershocks of ancient temblors.

The Lesson Republicans Must Learn from Virginia and New Jersey

Finding the right issues to appeal to an increasingly conservative country.

Fast Eating Limits Gut Hormones That Induce Fullness

The result is overeating, research shows

Shorter, More Intense Radiation OK for Some Breast Cancers

Three-week course comparable to six-week treatment, researchers find

Study: Fiddler Crabs Exchange Sex for Survival

Study suggests female crabs are willing to have sex with nearby males for their protection.

Obama's Honeymoon is Over

One year after Obama won the presidency, many are questioning him on the economy and Afghanistan.

Computer Science Provides a Better Way to Test for Sleep Apnea

Some 24 percent of men and 9 percent of woman suffer from this sleeping disorder.

Health Buzz: Findings by 'Consumer Reports' on BPA Criticized and Other Health News

7 swine flu facts you should know now; building a diet that lowers inflammation

Americans Gaining Awareness of COPD: Survey

Yet half of those with lung disease symptoms remain undiagnosed, experts say

Sleepy Drivers a Menace on the Road

Close to 2 million crashes, close calls linked to drowsy motorists, survey suggests

What's Behind Latest Phobia Towards Vaccines?

Access to information online leads some to skip vaccines, fearing serious side effects.

How to Land a Holiday Job

Just as more people will be scouting for seasonal work, employers are expecting to hire fewer workers.

Chinese Agencies Fight for Control of "World of Warcraft"

Regulators from competing government agencies struggle for control over a popular online game.

Tapping the Power of the Local Library Anytime, Anywhere

Public libraries offer free Web access to powerful and otherwise expensive databases.

Clinical Trials Update: Nov. 4, 2009

Far Out Technology: An Elevator to Space?

Rather than be one massive structure, vehicles would run up a cable tethered to a mass in orbit.

GOP Sweeps Big Governor Victories in Virginia and New Jersey

Republicans wrested political control from Democrats in Virginia and New Jersey.

Health Highlights: Nov. 4, 2009

Robot Fish Could Monitor Water Quality

Robots would operate autonomously for months on end, providing valuable data on water conditions.

Focused Radiation May Help Some With Lung Cancer

Study reports successes, especially for those with good lung function

Health Tip: Getting Ready for Birth

Be prepared before you leave for the hospital

How Safe Are Popular Reflux Drugs?

Experts debate evidence linking acid-blockers to possible bone, heart problems

Kyoto Climate Treaty's Greenhouse 'Success'

With major climate talks in Copenhagen looming, a UN report tallies Kyoto's achievements.

10 Things You Didn't Know About Election Day

Elections are historically held in November because of the country's agrarian roots.

10 Things You Didn't Know About Bob McDonnell

The former state attorney general hopes to be Virginia’s next governor.

10 Things You Didn't Know About Creigh Deeds

The Democratic state senator is vying for Virginia governor.

Pelosi's Public Option a Nod to Moderates

Both the House and Senate healthcare bills will include a public option, but a battle looms.

Trauma Deadlier for Kids Without Insurance

Finding emphasizes need to fix U.S. health care, expert says

Folate Levels in Pregnancy Tied to ADHD in Offspring

Prenatal nutrition seems to affect child's nervous system, brain growth, researchers say

A Woman's Place Is at the Pentagon

Michele Flournoy and other high-ranking females are leading the way for a new generation.

Deadly Stomach Bug Making Inroads Outside Hospitals

Study finds growing number of <i>C. difficile</i> infections among elderly

Severe Swine Flu Can Kill Young, Old Alike

Seniors may carry some immunity, but more likely to die if hospitalized, study finds

Low Cholesterol May Help Prevent Cancer

Two studies dispel longstanding fears about possible connection

CDC Urges Patience As More Swine Flu Shots Arrive

Total should near 42 million by week's end; more health-care workers getting vaccine

Democrats: Elections Not a Referendum on Obama

GOP head Michael Steele is all smiles and is predicting a big day in New Jersey and Virginia.

World Trade Center Workers Twice as Likely to Have Asthma

Rates continued to rise for several years after the attacks, study shows

Depression May Blur Memory of Aches and Pains

Expert suggests having people write down symptoms as they occur

Statins May Worsen Fatigue in Heart Failure Patients

But no one's suggesting the drugs should be stopped

Sugar Shortens Life Span in Worms

But it's unclear whether the same holds true for humans, researchers say

Raw Images: Cassini's Close Flyby of Saturn's Moon

NASA's Cassini spacecraft performs flyby of Saturn's moon, Enceladus.

Health Buzz: E. Coli Blamed for 2 Deaths and Other Health News

Lifestyle factors and Alzheimer's disease; what teens believe about Facebook and MySpace.

Tip of the Green Spear: The Military Leads on Efficiency, Alternative Energy

Doe-eyed do-gooders aren't the face of environmentalism, the U.S. military is.

Has President Obama Fulfilled His Campaign Promises Since Last Election Day?

Does the president still inspire the hope and change of his campaign?

Drug Could Help Treat Small HER2-Positive Breast Tumors

Researcher urges studies to determine benefits of anti-HER2 therapies

CDC Finds U.S. 30th in Infant Mortality

Finding is attributed to country's high rate of premature births

FDA Issues Warning for Diabetes Drug

Reports of kidney problems for those using Byetta prompted action

Prominent Inventor Believed in Loch Ness Monster to the End

Rines was well known for his prototype radar, along with his belief in the existence of Nessie.

3 Holiday Gifts That Keep on Giving

Instead of giving your kids another gift certificate, consider teaching them a lesson in saving.

African Countries Boycott UN Climate Talks

Though they are the most vulnerable to global warming, Africans argue they are least responsible.

Why do Animals Have so Many Different Colors?

Darwin attributed color diversity to sexual selection, but another factor may be at play.

Limbaugh, Palin Urge Right to Purge Moderates From Republican Party

A House race highlights drive to purge moderates from the Republican Party.

Clinical Trials Update: Nov. 3, 2009

Health Highlights: Nov. 3, 2009

Switch to 'Light' Cigarettes Makes Quitting Tougher

Smokers may mistakenly believe they're 'healthier,' researchers say

Living With Less TV, More Sweat Boosts Weight Loss

Home environment plays role in effort to drop pounds, experts say

Health Tip: Have a Food Allergy?

Here are possible warning signs

Avoiding Another Space Shuttle Disaster

Extending a bird-watching system, a team devises method for real-time spotting of dangerous debris.