Uncategorized
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PaleontologyWhy the turtle got its shell
Fossil evidence suggests that turtles’ ancestors started to form precursors to today’s shells to help them dig, not to protect themselves.
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Planetary ScienceJuno snaps its first pic of Jupiter
Jupiter and three of its moons take center stage in the first snapshot taken by the Juno spacecraft since arriving at the planet on July 4.
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Health & MedicineStill mysterious, aging may prove malleable
Our editor in chief discusses the science of aging.
By Eva Emerson -
LifeA healthy old age may trump immortality
Despite disagreements about what aging is and isn't, scientists have reached a radical consensus: It can be delayed.
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NeuroscienceThe brain’s blueprint for aging is set early in life
The brain's decline may mirror its beginning, offering clues to aging.
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AnimalsOrganisms age in myriad ways — and some might not even bother
There is great variety in how animals and plants deteriorate (or don’t) over time.
By Susan Milius -
AnimalsReaders mesmerized by ‘Strange visions’
Animal vision, ice-making microbes, brain maps and more reader feedback.
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AnimalsWhat animals’ life spans can tell us about how people age
The animal world can offer insights into human longevity.
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AnimalsHow snails breathe through snorkels on land
Shells with a tube counterintuitively sealed at the end have hidden ways to let Asian snails snorkel while sealed in their shells.
By Susan Milius -
NeurosciencePost-stroke shifts in gut bacteria could cause additional brain injury
The gut’s microbial population influences how mice fare after a stroke, suggesting that poop pills might one day prove therapeutic following brain injury.
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Health & MedicineUnprotected sex less risky if HIV-positive partner on antiretroviral therapy
The risk of HIV transmission during unprotected sex drops drastically if the HIV-positive partner is taking antiretroviral therapy.
By Meghan Rosen -
Particle PhysicsThree cousins join family of four-quark particles
Scientists with the Large Hadron Collider’s LHCb experiment report three new particles and confirm a fourth.