News
- 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.
