News
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Health & MedicinePriming the elderly for flu shots
A drug that shuts down a potent signaling molecule in cells might boost protection elicited with flu vaccination, a study finds.
By Nathan Seppa -
AstronomyEuropa’s geysers play hard-to-see
Follow-up observations of Europa failed to confirm the existence of geysers venting the Jupiter moon’s hidden ocean into space.
By Andrew Grant -
AnimalsRock ants favor left turns in unfamiliar crevices
Rock ants’ bias for turning left in mazes, a bit like handedness in people, may reflect different specializations in the halves of their nervous system.
By Susan Milius -
LifeHydrogen sulfide offers clue to how reducing calories lengthens lives
Cutting calories boosts hydrogen sulfide production, which leads to more resilient cells and longer lives, a new study suggests.