The Checkup
Air pollution linked to cognitive impairment
Research suggests that chronic exposure to airborne particulate matter is associated with increased risk of cognitive impairment in older women.
Let it snow, but watch your back
(Matt Smith / AP)
When snow hits, so do back injuries. Here are some ways to minimize the risk involved in shoveling.
Falling in love is all in our brains
We may like to believe we call the shots on who we fall in love with, but neurochemistry plays a strong role.
FDA finds lead in lipsticks
A recent federal analysis showing that 400 shades of popular lipstick contained trace amounts of lead has exacerbated an ongoing dispute between regulators and consumer activists over how much lead is safe in cosmetics.
Senate GOP tries to restore pipeline
An amendment introduced to a transportation bill would speed the construction of Keystone pipeline.
Scientific wonders get an artistic spin
These images won top honors in the National Science Foundation’s annual competition.
Soy supplements and breast cancer
Eating soy-based foods is believed to help prevent breast cancer. Might soy supplements also help?
Truths about tobacco hit the big screen
A documentary tells the story of a scientist hired by Phillip Morris in the 1980s to create a “safe cigarette.”
NASA dreads budget countdown
Space agency continues to explore the cosmos, but its future direction is uncertain.
Love remains the mystery of life
Love is the central mystery of life, a metaphor that has survived 400 years of medical research.
Zapping the brain to get with the flow
Scientists aim to create a feeling of effortless concentration that makes for outstanding performances.
Save big on dental implants
Patient saved over $3,000 on a dental implant by going to a dental school instead of a dentist’s office.
Colorectal cancer deaths could be cut with preventive action
Nearly half of cases are diagnosed at a late stage, when treatment is less likely to be lifesaving.
Are home births insured?
A noticeable uptick in the number of home births raises questions of insurance coverage.
What happens to a body in a vacuum?
Though movies show worse, in real life, exposure to a vacuum would be a painful fate but much less gooey.
Makers of genetically modified seeds say more farmers evading EPA rules
More farmers are neglecting and violating rules aimed at keeping insects from becoming immune to genetically modified corn.
The Checkup
Study suggests skipping antibiotics for sinus infections
A study released Tuesday afternoon adds to the growing body of science suggesting that with many infections, including those of the sinuses, antibiotics aren’t the best course of treatment.
The Checkup
Kids’ sleep needs, in historical perspective
Perhaps you’ve heard that kids today desperately need more sleep. A new study says “harrumph.”
Health, Science & Environment Videos
Cancer drug shortage a big risk for children (3:50)
Hospitals and patients are finding it harder to get some medications because drug companies have stopped making them. Dr. Jon LaPook reports on the shortage of one cancer drug, which could put thousands of children's lives at risk.
Cancer drug shortage a big risk for children (3:50)
Hospitals and patients are finding it harder to get some medications because drug companies have stopped making them. Dr. Jon LaPook reports on the shortage of one cancer drug, which could put thousands of children's lives at risk.
Aurora borealis as seen from space (0:34)
Stunning new time-lapse images of the aurora borealis, or northern lights, have been released by NASA. (Feb. 10)
Video captures orca whale rescue (1:26)
An orca was discovered tangled in rope and cray pots off the Coromandel Coast in New Zealand. The diver that freed the whale describes the ordeal. (Feb. 9)
Listen: Whales in Indian Ocean basin sing different tunes (0:30)
Researchers at the Wildlife Conservation Society found whales on both sides of the Southern Indian Oceans do not "sing" the same song, which is unique because whales in the same ocean basin usually do. (Feb. 7)
Snowstorm hits Colorado on its way East
A powerful winter storm swept across Colorado on Friday, forcing the cancellation of nearly 600 flights at Denver airport, closing parts of Interstate 70 and sparking a run on grocery stores before the worst weather descended. (Feb. 3)
Komen CEO on Planned Parenthood rift (1:40)
Planned Parenthood said it received more than $400,000 from 6,000 donors in the 24 hours after news broke that its affiliates would be losing grants for breast screenings from the Susan G. Komen for the Cure breast-cancer foundation. (Feb. 2)
Groundhog Day 2012: Punxsutawney Phil emerges from his burrow
At 7:25 a.m. this morning, amidst mostly cloudy skies, and temperatures in the low 30s, Groundhog Phil saw his shadow in the little town of Punxsutawney, Pa.
First video taken of the moon's far side (0:38)
A spacecraft orbiting the moon has captured the first video of the lunar far side that people on Earth can't see. The video was captured by one of NASA's twin Grail probes using MoonKAM, a camera which will eventually be used by students. (Feb. 1)
'Brazilian Blowout' maker concedes health risks (2:09)
The maker of a popular line of Brazilian Blowout hair straightening products settled a lawsuit that it misled consumers about the presence of formaldehyde in the products. (Jan. 31)
From 2010: Punxsutawney Phil sees his shadow
Punxsutawney Phil saw his shadow early Tuesday morning February 2010, forecasting six more weeks of winter during Groundhog Day festivities in Punxsutawney, Pa.
Groundhog Day 2011: Punxsutawney Phil predicts early spring
The world's most famous groundhog did not see his shadow this February, 2011 thus forecasting an early spring. (Feb 2)
Dentist who used paper clips gets jail time
A former Massachusetts dentist was sentenced to one year in jail Monday after he pleaded guilty to numerous charges, including using paper clips instead of stainless steel posts in root canals. (Jan. 30)Urban Jungle
The love life of fruit flies
Song-filled courtship followed by offspring a few days later.
Health news from the wires
Medical Mystery: Failing eyesight
A woman’s work-up for laser eye surgery revealed a serious problem she didn’t know she had.
Traffic science battles heavy flows
Traffic science struggles to keep cars flowing on highways in D.C. and elsewhere.
Special Reports
Obesity in America 2010
One-third of U.S. children are overweight, leaving the health and productivity of an entire generation at risk.
Elsewhere in National
The Post Most: NationMost-viewed stories, videos and galleries int he past two hours
Linsanity: Can anyone stop Jeremy Lin?
Live Q&A, 11:45 a.m. ET
Post NBA reporter Michael Lee discusses the strengths and weaknesses of Jeremy Lin, and more.
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