As they cling to leaf tips, newborn warty birch caterpillars produce vibrations that can ward off invaders approaching their millimeter-size domain.
The ancient weapons, found in a cave near Marfa, could be among the oldest near-complete set of wood and stone hunting tools found in North America.
Born into rural poverty, he climbed to the top of the art market. But he fell after being convicted of selling fake and stolen items.
Hundreds of hours of recordings suggest that the apes can generate meaning by stringing sounds together in pairs. But some scholars are skeptical.
Across the country, companies have been installing giant batteries that help them use more wind and solar power. That’s about to get much harder.
New research painted a more accurate picture of the megafauna that spread widely around the Americas before they went extinct.