Unmasking Black Holes
Until recently, the evidence for black holes was circumstantial. Now astronomers may have direct proof: energy is vanishing from volumes of space without a trace
The Andaman Islanders
The aboriginal inhabitants of a stretch of islands near India offer a fascinating glimpse into the way of life of traditional hunter-gatherers. But how long will this window to our past remain open?
New Nerve Cells for the Adult Brain
Contrary to dogma, the human brain does produce new nerve cells in adulthood. Can our newfound capacity lead to better treatments for neurological diseases?
Killer Kangaro and Other Murderous Marsupials
Australian mammals were not all as cute as koalas. Some were as ferocious as they were bizarre
Ada and the First Computer
The collaboration between Ada, countess of Lovelace, and computer pioneer Charles Babbage resulted in a landmark publication that described how to program the world's first computer