News
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LifeMini ‘wind farm’ could capture energy from microbes in motion
Bacteria could spontaneously organize and rotate turbines, computer simulations show.
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LifeHightailing it out of the water, mudskipper style
A robot and a land-walking fish show how a tail might have made a huge difference for early vertebrates conquering the slippery slopes of terrestrial life.
By Susan Milius -
TechLight-activated heart cells help guide robotic stingray
Layers of silicone, gold and genetically engineered rat heart cells make up the body of a new stingray robot that can swim in response to light.
By Meghan Rosen -
LifeDonor mitochondria could influence metabolism, aging
Mitochondrial DNA donation could have unexpected long-term health consequences for “three-parent babies.”
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AnthropologyNew dating suggests younger age for Homo naledi
South African fossil species lived more recently than first thought, study suggests.
By Bruce Bower -
Planetary ScienceNew clues in search for Planet Nine
Lots of unknowns remain as researchers try to pin down where a possible ninth planet might be hiding in the solar system.
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LifeLetting parasites fight could help battle drug resistance, too
Helping one strain of malaria trounce another in lab mice demonstrates a way of avoiding the evolution of drug resistance.
By Susan Milius -
ClimateWarming alters mountain plant’s sex ratios
Global warming has different effects on male and female plants. Tracking sex ratio shifts could be a fast signal of climate change, researchers say.
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AnimalsFrigate birds fly nonstop for months
The great frigate bird can fly for up to two months without landing, thanks to a boost from wind and clouds.
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PhysicsFalling through the Earth would be a drag
Scientists study how friction affects a hypothetical jump through the center of the Earth.
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PaleontologyParasites wormed way into dino’s gut
Tiny slimed tunnels in the guts of a 77-million-year-old duck-billed dinosaur fossil offer the first hard evidence that dinosaurs may have been infected by parasitic worms, paleontologists say.
By Meghan Rosen -
Health & MedicineTight spaces cause spreading cancer cells to divide improperly
Researchers are using rolled-up transparent nanomembranes to mimic tiny blood vessels and study how cancer cells divide in these tight spaces.