After the students leave, I print the task cards, place one inside each egg, and hide them around the room. On the day of the hunt, students work in small groups and are assigned a specific egg ...

Imagine arriving at a busy location with people moving around and a multitude of visual and other sensory cues vying for your ...

A 7.2-million-year-old femur found in Bulgaria reveals early signs of upright walking and reopens the debate on human origins.

One eye-catching detail is the researchers’ estimate that the bone likely belonged to a small female, about 24 kg, and nicknamed “Diva.” Spassov noted the fossil seems to sit somewhere between older, ...