News
- Astronomy
Middling black hole may be hiding in star cluster
A black hole with about 2,200 times the mass of the sun has been detected. If confirmed, it could represent a new type of gas-starved black holes and hint at how supermassive ones may form.
- Climate
Hot nests, not vanishing males, are bigger sea turtle threat
Climate change overheating sea turtle nestlings may be a greater danger than temperature-induced shifts in their sex ratios.
- Psychology
Long-lasting mental health isn’t normal
Those who stay mentally healthy from childhood to middle age are exceptions to the rule.
- Earth
Oxygen flooded Earth’s atmosphere earlier than thought
The Great Oxidation Event that enabled the eventual evolution of complex life began 100 million years earlier than once thought, new dating of South African rock suggests.
- Astronomy
Faint, distant galaxies may have driven early universe makeover
Gravitational lensing has revealed extremely faint galaxies in the early universe, suggesting these tiny galaxies were responsible for cosmic reionization.
- Anthropology
DNA points to millennia of stability in East Asian hunter-fisher population
Ancient hunter-gatherers in East Asia are remarkably similar, genetically, to modern people living in the area. Unlike what happened in Western Europe, this region might not have seen waves of farmers take over.
- Archaeology
Iron Age secrets exhumed from riches-filled crypt
Wealthy woman’s 2,600-year-old grave highlights Central Europe’s early Iron Age links to Mediterranean societies.
- Neuroscience
If chewing sounds irk you, blame your brain
People who find chewing and slurping sounds annoying have structural differences in their brains.
- Health & Medicine
E-cigarette smoking linked to heart disease risk
Two indicators of heart disease risk were elevated for users of e-cigarettes in small-scale study.
- Planetary Science
Red Planet’s interior may not churn much
The magma fueling a Martian volcanic system remained largely unchanged for billions of years, analysis of a newfound meteorite suggests.
- Physics
Physicists seek neutron lifetime’s secret
Updated experiments hope to resolve neutron lifetime discrepancy.
- Animals
What gives frog tongues the gift of grab
Here’s what puts the grip in a frog’s high-speed strike: quick-change saliva and a tongue softer than a marshmallow.
