Education

As countries negotiate a new global goal to raise climate cash, these five charts show why discussions are so fraught.

Kate Golembiewski explores the long history of associating madness with the full moon.

A tiny gladiator figurine was used as a handle on a 2,000-year-old copper folding knife found in an English river, suggesting that popular fascination with the ancient fighters reached the edges of the empire.

Those who made it through the crash would need to resort to desperate measures to survive.

Everybody knows that nobody’s perfect. So why do we still strive for perfection when there could be a better path?

We’ve lost direction and our brains are shrinking – at least, our hippocampi are. These seahorse-shaped parts of the brain measure about 5cm, sit just above both ears and drive our spatial awareness and orientation.

The Contest for the Indian Ocean and the Making of a New World Orderby Darshana M. Baruah. Yale, 206 pp., £20, August, 978 0 300 27091 4 Shah S​ulaiman, the 17th-century Safavid monarch of Iran, liked to spend his time drinking wine with his many wives.

The rigid structures of language we once clung to with certainty are cracking. Take gender, nationality or religion: these concepts no longer sit comfortably in the stiff linguistic boxes of the last century.

Welcome back to Week in Review. This week, we’re coming at you right off the heels of TechCrunch Disrupt! If you missed it, we’re highlighting conversations from Perplexity CEO Aravind Srinivas, WordPress co-founder Matt Mullenweg, and Disney star turned space CEO Bridgit Mendler.

Wild guess: You’ve probably heard of Leonardo da Vinci (1452-1519). The Florentine Renaissance artist, engineer and polymath made the most famous picture of all time, a painted poplar panel that hangs in virtual isolation in the Salle des États at Paris’ Louvre Museum.