Chemical analysis of Bronze Age iron objects indicate that Greek nobles may have indulged in signet rings made with precious metal from the sky.
Chemical analysis of Bronze Age iron objects indicate that Greek nobles may have indulged in signet rings made with precious metal from the sky.
Little Ice Age cooling in Europe may have raised the risk of rickets 
Earwax’s surprisingly slippery but sticky properties deters insects 
Food contains thousands of overlooked chemicals. This physicist is mapping them 
How hawkmoths turned their genitals into bat-busting weapons 
Your voice can now say things you never said 
A drug-free diabetes treatment? An implant lowers blood sugar in mice 
Afghan children face narrowing path to education, UN agencies report 
15 years of ‘almost no progress’ in getting young people moving: WHO 
Syria’s undocumented children ‘pay the price’ of war and a law that shuts out mothers