In the fickle world of sports nutrition fads, few trends have shown the staying power of antioxidants. For more than three decades, athletes have remained devoted fans of supplements; the American College of Sports Medicine estimates that around half of elite athletes take vitamins in hopes of keeping...
02/24/2015 - 12:00
Health, Physiology, Nutrition
Reviews & Previews
Ocean Worlds: The Story of Seas on Earth and Other PlanetsJan Zalasiewicz and Mark WilliamsOxford Univ., $29.95The oceans of other worlds might look nothing...
02/24/2015 - 09:00
Oceans, Planetary Science
Roughly 90 percent of an iceberg’s volume hides beneath the waves. But every so often an iceberg’s underbelly makes an appearance above the waterline.Filmmaker Alex Cornell photographed this recently overturned iceberg jutting about 9 meters skyward in Cierva Cove, Antarctica, in December. It’s a rare sight, says oceanographer Louise Biddle of the University of East Anglia in Norwich, England....
02/24/2015 - 07:00
View slideshowIn Renaissance Europe, scholars and collectors built curiosity cabinets and filled them with marvels of art and natural history. Catalogs of the contents of these privately held “wonder rooms” were sometimes published to share scientific knowledge, and larger collections formed the basis for museums. Fast-forward to 2013, when chemist...
02/22/2015 - 08:00
Science & Society, History of Science, Physics
Reviews & Previews
This Idea Must DieJohn Brockman, Ed.Harper Perennial, $15.99“Science advances by a series of funerals,” writes John Brockman, founder of the online discussion forum...
02/21/2015 - 11:00
Science & Society, Physics, Biomedicine
Ask anybody — stress is bad news. The negative view of stress has been expressed so consistently that the concept is now built into our vernacular, which is spiced with advice on avoiding it: Take it easy. Calm down. Chill.Of course, a good case of stress comes in handy during an encounter with a grizzly bear on a hiking trail. In that situation, a stress reaction delivers a burst of hormones...
02/20/2015 - 15:00
Health, Mental Health, Immune Science
For more on stress and its effects on the body, see SN's feature "Chronic stress can wreak havoc on the body."Counseling, mindfulness training and purposeful social contact may counteract the effects of nagging stress.Parenting classesIn a trial of 272 low-income black women in rural Georgia...
02/20/2015 - 15:00
Health, Immune Science, Mental Health
View the videoNothing says romance like covering your face in white fluff and running like crazy through shrubbery.That’s the courtship display North African birds called houbara bustards (Chlamydotis undulata) perform repeatedly. At the peak of the breeding season, males start at dusk, around 4 or 5 p.m., and keep going until about 9 the next morning, says Yves...
02/20/2015 - 10:30
50 Years Ago
Outer space on Earth — In an effort to foresee as many as possible of the problems of space travel, man is building a vast array of strange testing devices, designed to create at least part of the feeling of space…. Experiments have been undertaken in places ranging from the bottom of the ocean (which simulates low gravity) to a rocket-powered vibration machine…. The toughest...
02/19/2015 - 16:30
Planetary Science, Astronomy
News in Brief
SAN JOSE, Calif. — New moms suffering from postpartum depression change their activity on Facebook, suggesting that the social media site could help detect mothers who need support.Many new parents share pictures and videos of their babies on Facebook and use the site to interact with friends they might be too busy to see in person. But compared with most typical new moms, those suffering from...
02/15/2015 - 19:48