Is foam a solid, a liquid or a gas?
Foam is a colloid, a small amount of liquid or solid wrapped around a lot of gas, explain our readers 聽
Regulars
Can a person experience more than 24 hours in a day? part 2
Regulars
This week鈥檚 new questions
Regulars
Comment
How big is a ‘shedload’? Let’s ask the nuclear physicists
Regulars
Tom Gauld on truly committing to botany
Regulars
Twisteddoodles on the latest in food influencing
Regulars
Space
Captivating space images show how it has inspired us through the ages
Regulars
Can someone experience more than 24 hours in the same calendar day?
Regulars
What would the landscape look like on a disc-shaped world? part 2
Regulars
This week鈥檚 new questions
What tipping points can we expect to see if and when we reverse global warming? Why do teabags make fairly good tea, but coffee bags don鈥檛 make very good coffee?
Regulars
Comment
It’s time to monetise the moon! Definitely! Maybe?
Regulars
Twisteddoodles on a resistant bacterial strain
Regulars
Environment
A glimpse into the rare earth riches of Greenland
Regulars
Tom Gauld on a Foundation for Astonishingly Extravagant Gestures
Regulars