News
- Animals
Ancient DNA reveals China’s first ‘pet’ cat wasn’t the house cat
The modern house cat reached China in the 7th century. Before that, another cat — the leopard cat — hunted the rodents in ancient Chinese settlements.
- Humans
Ancient southern Africans took genetic evolution in a new direction
An ancient, shared set of human-specific genes underwent changes in a geographically isolated population after around 300,000 years ago, scientists say.
- Earth
Human-caused earthquakes are real. Here’s why even stable regions can snap
Human activity can cause “healed” faults to release their stored strength, triggering unexpected quakes in tectonically stable regions.
- Physics
Twisted stacks of 2-D carbon act like a weird type of superconductor
“Magic-angle” graphene may provide new clues into poorly understood unconventional superconductors, which operate at higher-than-normal temperatures.
