News
- Genetics
Endurance training leaves no memory in muscles
Unlike strength training, endurance workouts left no genetic trace months later, calling into question idea of a general muscle memory.
- Earth
Natural ally against global warming not as strong as thought
Soils may take in far less carbon by the end of the century than previously predicted, exacerbating climate change.
- Genetics
Single exodus from Africa gave rise to today’s non-Africans
Genetics and climate studies differ on when modern humans left Africa.
- Ecosystems
Shrinking sea ice threatens natural highways for caribou, plants
As Arctic sea ice declines, Peary caribou or plants risk getting stranded when their frozen highways thaw.
By Susan Milius - Health & Medicine
Activity trackers fall short in weight-loss trial
In a two-year study, wearable activity monitors didn’t help young adults lose more weight.
- Earth
Primordial continental crust re‑created in lab
Compressing rocks from an ocean plateau at high temperatures and pressures re-creates the formation of Earth’s first continental crust.
- Astronomy
Vanished star may be first known failed supernova
A star that vanished in another galaxy might be the first confirmed case of a failed supernova — and the birth of a black hole.
- Quantum Physics
Taming photons, electrons paves way for quantum internet
Scientists are gearing up to create supersecure global quantum networks.
- Neuroscience
Brain’s physical structure may help guide its wiring
The brain’s stiffness helps dictate how nerve cells grow, a study suggests.
- Health & Medicine
Mixing Pokémon Go and driving isn’t safe
Pokémon Go alters reality to driver’s detriment, a new study finds.
- Archaeology
Painting claimed to be among Australia’s oldest known rock art
A painting on a cave’s ceiling may be one of Australia’s earliest examples of rock art, according to researchers who used an ancient wasps’ nest to date the art.
By Bruce Bower - Animals
Frog-hunting bats have ‘cocktail party effect’ workaround
Test with robotic frogs finds bats that hunt amphibians switch their attention to other clues if outside noise masks the mating chorus.
By Susan Milius