Van Dishoeck talks about some of the key unanswered questions in astrochemistry, including how complex molecules form on the tiny specks of dust in interstellar space. We chat about the recent growth ...

Small levitating platforms that can stay airborne indefinitely at very high altitudes have been developed by researchers in the US and Brazil. Using photophoresis, the devices could be adapted to ...

David Norman reviews The Physics of Birds and Birding: the Sounds, Colors and Movements of Birds, and Our Tools for Watching Them by Michael Hurben ...