Five tricky puzzles challenge players to calculate the value of each lockdown luxury

Vibrant maths puzzles challenge players to calculate how much each item is worth – so can YOU solve all five? Puzzles released to challenge readers to calculate value of lockdown luxuries Brainteasers, created by Monese, features everything from cake, chips and pizza Takes the average person 68 seconds to crack them – so, can you … Read more

Speed limit: Scientists calculate fastest possible velocity of sound is 22 miles per second

Scientists calculate fastest possible speed of sound is 22 miles per second — but it is only possible under conditions found in Jupiter’s metallic hydrogen core Sound waves are travelling disturbances that move energy through mediums The denser the transport medium is, the faster the wave can pass through it Researchers set out to calculate … Read more

Ice Age: Climate scientists calculate average global temperature was 11°F colder 20,000 years ago 

The average global temperature during the last Ice Age 20,000 years ago was 46°F (7.7°C) — 11°F (6°C) colder than today — a study has reported. Researchers from the US combined data from tiny marine fossils with climate models to forecast the weather during the so-called Last Glacial Maximum (LGM). During this chilly period, the Earth’s ice sheets and … Read more