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Receiver ‘wakes’ phone from sleep mode when you need it

  Researchers have developed a wake-up receiver that turns on a shut-off device at a moment’s notice in response to incoming ultrasonic …

How ‘mental rehearsal’ preps us for action

  Neuroscientists have discovered how the brain learns physical tasks, even in the absence of real-world movement. It could hinge on getting the mind to …

Why we don’t get sick of listening to our favorite song

  People enjoy replaying a favorite song many times even after the novelty and surprise are gone, according to new research. Forty-three percent of those …

‘Blue Period’ Picasso hides this other (sideways) painting

  Researchers used multiple modes of light to uncover details beneath the visible surface of Pablo Picasso’s painting La Miséreuse accroupie (The …

Why Neanderthals were good hunters—but lousy artists

  Neanderthals had large brains and made complex tools but never demonstrated the ability to draw recognizable images, unlike early modern humans who …

Here’s a new plan for finding life on other planets

  Instead of looking for water as a sign of life on distant exoplanets, scientists should instead look at an exoplanet’s ionosphere, the thin uppermost …

New strategy for finding alien life goes beyond oxygen

Researchers have found a new recipe for providing evidence that a distant planet harbors life, one that might be more promising than just looking for oxygen. …

Opioids and these factors mix for ‘deaths of despair’

  The overprescribing of opioid-based painkillers may be the main, but not sole, driver of the increased abuse of opioids in rural America. Economists say …

The Milky Way ate 11 other galaxies

Astronomers have discovered 11 new stellar streams—remnants of smaller galaxies torn apart and devoured by our Milky Way. The finding is among the highlights …

Massive database lists one-third of the world’s plants

Researchers have created the first complete list of all known vascular plant species in the Americas. The searchable database contains nearly 125,000 species …