#science / Page 7

After over 100 bear attacks this year, it's time for reinforcements.

A monumental complex built by the Maya around 3,000 years ago was modeled on a map of the cosmos, new fieldwork has revealed.

Neurologically, the flexibility of the future promised by liberal democracy can be a challenge because it brings with it uncertainty. But there are solutions, say Florence Gaub and Liya Yu ...

The battle to save the magnificent but endangered Amur tiger detailed in Jonathan Slaght's Tigers Between Empires is an inspiring look at what collaboration across borders can achieve, finds Adam Weymouth ...

A planet is about to be destroyed by the collapse of a binary star system in Slow Gods, Claire North's first venture into classic science fiction. Read it! says Emily H. Wilson ...

Lise Barnéoud's Hidden Guests shows how this fascinating new field brings with it profound implications for medicine, and even what it means to be human, finds Helen Thomson ...

Feedback discovers a robot that can mimic Turkish ice cream vendors, who are known for playing tricks on their customers. Researchers concluded that customers, perhaps predictably, don't trust it ...

The early Black Friday free tool deal includes popular options like impact drivers, reciprocating saws, yard tools, and more.

A huge revolving ski slope in the style of a hamster wheel will soon let people take to the snow regardless of the climate.

A mathematical model suggests that when a pair of black holes gets quantum entangled, this can give rise to a lumpy space-time tunnel between them ...