All Stories
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Physics
To combat an expanding universe, aliens could hoard stars
An advanced alien civilization might combat the impact of dark energy by harvesting stars.
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Astronomy
On Jupiter, lightning flashes from storms swirling at the poles
After almost 40 years, scientists have discovered that Jupiter has lightning that is similar to lightning on Earth — it just happens in a different place.
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Ecosystems
Madagascar’s predators are probably vulnerable to toxic toads
The Asian common toad, an invasive species in Madagascar, produces a toxin in its skin that’s probably toxic to most of the island’s predators.
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Planetary Science
Venus’ thick atmosphere speeds up the planet’s spin
Venus’ thick atmosphere can push on mountains on the surface, changing its rotation period by a few minutes every day.
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Psychology
Phone apps are helping scientists track suicidal thoughts in real time
Researchers are using smartphones to tap into the ups and downs of suicidal thinking that occur over hours and days, hoping to help prevent suicides.
By Bruce Bower -
Plants
The most ancient African baobabs are dying and no one knows why
Scientists aren’t sure what’s killing the oldest African baobabs, nine of which have lost big chunks or died in the last 13 years.
By Susan Milius -
Physics
The Large Hadron Collider is getting an upgrade
Revamping the accelerator’s equipment will increase the rate of proton collisions.
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Astronomy
Magnetic fields may be propping up the Pillars of Creation
Scientists made a map of the magnetic field within the Pillars of Creation, a star-forming area depicted in an iconic Hubble Space Telescope image.
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Astronomy
In 1968, scientists thought they were close to detecting gravity waves
Despite an unverified discovery in 1968, spacetime ripples remained elusive for nearly 50 years.
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Animals
Leaf-cutter ants pick up the pace when they sense rain
Leaf-cutter ants struggle to carry wet leaves, so they run to avoid rain.
By Yao-Hua Law -
Health & Medicine
The number of teens who report having sex is down
About 40 percent of high school students are having sex, the lowest amount in the last three decades.
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Earth
Underwater fiber-optic cables could moonlight as earthquake sensors
The seafloor cables that ferry internet traffic across oceans may soon find another use: detecting underwater earthquakes.