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E.g., 06/25/2018
E.g., 06/25/2018
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  • Tina Hesman Saey
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Your search has returned 17870 articles:
  • Feature

    Consumer DNA testing promises more than it delivers

    In Nevada, 40,000 people are stepping up to the cutting edge of precision medicine. They are getting their DNA deciphered by the testing company Helix. The idea of the Healthy Nevada project is to link genetic and medical data with information about the environment to get a clearer picture of all the factors that influence health. The free tests are going like hot cakes.

    When the Healthy...

    05/22/2018 - 12:00 Genetics, Science & Society
  • Experiences

    What genetic tests from 23andMe, Veritas and Genos really told me about my health

    Direct-to-consumer genetic testing first came on the market about a decade ago, but I resisted the temptation to see what health information is hidden in my DNA — until now.

    As a molecular biology writer, I’ve been skeptical that the field of genetics is mature enough to accurately predict health (see related article). What finally motivated me to send away my DNA in the mail was the...

    05/22/2018 - 12:00 Genetics, Health
  • Feature

    Meet the speedsters of the plant world

    Somewhere in the wetlands of South Carolina, a buzzing fly alights on a rosy-pink surface. As the fly explores the strange scenery, it unknowingly brushes a small hair sticking up like a slender sword. Strolling along, the fly accidentally grazes another hair. Suddenly, the pink surface closes in from both sides, snapping shut like a pair of ravenous jaws. The blur of movement lasts only a...

    05/16/2018 - 12:11 Plants, Biophysics, Physics
  • News

    NASA gets ready to launch the first lander to investigate Mars’ insides

    Mars is about to get its first internal checkup. The InSight lander, set to launch at 7:05 a.m. EDT on May 5 from Vandenberg Air Force Base in California, will probe the Red Planet’s innards by tracking seismic waves and taking its temperature.

    Finding out what Mars’ interior is like could help scientists learn how the Red Planet formed 4.5 billion years ago, and how other rocky planets...

    05/03/2018 - 07:00 Planetary Science
  • Reviews & Previews

    ‘The Curious Life of Krill’ is an ode to an underappreciated crustacean

    The Curious Life of Krill Stephen NicolIsland Press, $30

    Stephen Nicol is here to change your mind about krill: They’re not microscopic and they’re far from boring. The biologist is so sick of people misunderstanding his study subjects that he’s even gotten a (slightly botched) krill tattooed on his arm to help enlighten strangers.

    In The Curious Life of Krill, Nicol is taking...

    04/29/2018 - 08:00 Animals, Oceans, Ecosystems
  • News

    Masses of shrimp and krill may play a huge role in mixing oceans

    When it comes to tiny ocean swimmers, the whole is much greater than the sum of its parts. Ocean turbulence stirred up by multitudes of creatures such as krill can be powerful enough to extend hundreds of meters down into the deep, a new study suggests.

    Brine shrimp moving vertically in two different laboratory tanks created small eddies that aggregated into a jet roughly the size of the...

    04/18/2018 - 13:20 Oceans, Ecology
  • Reviews & Previews

    ‘Weird Math’ aims to connect numbers and equations to the real world

    Weird MathDavid Darling and Agnijo BanerjeeBasic Books, $27

    Weird Math sets out to “reveal the strange connections between math and everyday life.” The book fulfills that laudable goal, in part. At times, teenage math prodigy Agnijo Banerjee and his tutor, science writer David Darling, find ways to make complex math relatable, like linking chaos theory to weather forecasting and...

    04/16/2018 - 07:00 Numbers, Computing, Science & Society
  • Growth Curve

    Should you bank your baby’s umbilical cord blood? Here’s a guide for thinking through the issue.

    With the promise and pitfalls of umbilical cord blood samples in mind, how should parents decide whether to put their baby’s blood on ice, either for their own family’s future use or as a donation for the greater good? It’s a tricky calculation, one that changes based on a family’s risk threshold, dreams for the future and, of course, money.

    Instead of floundering about aimlessly, let’s...

    04/11/2018 - 07:00 Pregnancy, Health
  • Feature

    How oral vaccines could save Ethiopian wolves from extinction

    Deep in the Bale Mountains of Ethiopia, wildlife workers trek up above 9,800 feet to save some of the world’s most rare carnivores, Ethiopian wolves.

    “It’s cold, tough work,” says Eric Bedin, who leads the field monitoring team in its uphill battle.

    In this sparse, sometimes snowy landscape, the lanky and ginger-colored wolves (Canis simensis) reign as the region’s apex predators....

    03/22/2018 - 09:00 Animals, Biomedicine, Conservation
  • News

    Male birth control pill passes a safety test

    CHICAGO — A once-daily capsule safely suppressed reproductive hormones in men, making it an appealing candidate for a male birth control pill, according to a small study.

    After about a month of treatment, a new prototype pill called dimethandrolone undecanoate, or DMAU, had reduced levels of hormones including testosterone that are necessary for sperm production. During that time, none...

    03/21/2018 - 09:00 Health