Basics: In Africa, Birds and Humans Form a Unique Honey Hunting Party

Tribesmen and honeyguides share an ancient pact and communicate in trills and grunts, scientists report. The shared goal: beehives full of honey and wax.


Trilobites: Old Teeth Tell New Stories About People Who Didn’t Get Enough Sun

Researchers discovered a permanent record of vitamin D deficiency in old teeth that could provide insights on rickets and children’s health today.