In a testament to the crows’ intelligence (or perhaps just the deliciousness of mealworms), the birds all caught on ...

That’s exactly what happened in 1900 at the International Congress of Mathematicians at Sorbonne University in Paris. Legendary mathematician David Hilbert presented 10 unsolved problems as ambitious ...

"I joined the air force 35 years ago, aged 18, and went straight to Germany, based on a Tornado aircraft," says British Air Commodore Andy Turk, who is now deputy commander of the Nato Airborne ...