News
- Astronomy
Gotcha: Fast radio burst’s home nabbed
For the first time, astronomers pinpoint a precise position on the sky for a fast radio burst, revealing that the outburst originated in a galaxy about 2.5 billion light-years away.
- Chemistry
Carbon can exceed four-bond limit
Scientists confirm structure of unusual molecule in which carbon bonds to six other carbon atoms.
- Ecosystems
Long-ignored, high-flying arthropods could make up largest land migrations
Forget birds. 3.5 trillion insects, spiders and mites a year fly over the southern United Kingdom.
- Life
Ancient enzymes adapted to a cooler Earth to keep life’s chemical reactions going
Ancient enzymes kept their speed at lower temperatures.
- Life
Force-detecting protein senses when lungs fill with air
A study in mice pinpoints a force-detecting protein that regulates breathing, previously implicated in touch.
- Earth
‘Waterworld’ Earth preceded late rise of continents, scientist proposes
Cooling mantle temperatures may have lifted Earth’s continents above sea level, helping spur the Cambrian explosion.
- Earth
Data show no sign of methane boost from thawing permafrost
Rapid Arctic warming has increased emissions of carbon dioxide, but not methane, from northern Alaska tundra.
- Neuroscience
Pregnancy linked to long-term changes in mom’s brain
Pregnancy can sculpt a mother’s brain in a way that may help her tune in to her baby.
- Anthropology
Monkeys have vocal tools, but not brains, to talk like humans
Macaques have vocal tracts, but not brains, built for talking much as people do, scientists say.
- Tech
Cells snack on nanowires
Human cells eat silicon nanowires in a process called phagocytosis. Nanowire-infused cells could be a step towards biological electronic devices.
- Anthropology
New footprint finds suggest range of body sizes for Lucy’s species
Tracks discovered in Tanzania appear to have belonged to the tallest known Australopithecus afarensis individual, but stature estimates can be tricky.
- Earth
Megadiamonds point to metal in mantle
Imperfections in supersized diamonds hint at metallic iron and nickel in Earth’s mantle.
