News
- Humans
Babies may use saliva sharing to figure out relationships
Actions like sharing bites of food or kissing may cue young children into close bonds, a new study suggests.
- Animals
A ‘trapdoor’ made of muscle and fat helps fin whales eat without choking
An “oral plug” may explain how lunge-feeding fin whales don’t choke and drown as they fill their mouths with prey and water while eating.
- Archaeology
Gold and silver tubes in a Russian museum are the oldest known drinking straws
Long metal tubes enabled communal beer drinking more than 5,000 years ago, scientists say.
- Chemistry
A disinfectant made from sawdust mows down deadly microbes
Antimicrobial molecules found in wood waste could be used to make more sustainable, greener disinfectants.
