Extras
A team of experts put an 18th-century musket to the test — revealing how deadly it really was.
Two students created glasses that can identify people on the street, without them knowing.
Could restoring lost forests help slow climate change?
Investigate medical algorithms in which the patient’s race drives decisions.
To better study the UFO phenomenon, science needs more eyes on the skies.
A nearly 3,000-year-old canopic jar is discovered in an Egyptian tomb.
Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.
Space elevators? Nuclear rockets? The future of space travel could look radically different.