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Climate

Intense drought or flash floods can shock the global economy

Rainfall extremes have powerful impacts on the global economy, affecting the manufacturing and services sectors more than agriculture.

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.