Fact-based Cosmic Questions
Why Is the Sea Salty When the Rivers Feeding It Are Fresh?
The rivers pouring into the sea taste fresh, yet the ocean is salty, and the answer is a very slow partnership between rain, rock and sunshine.
Home Tags
salt
Everything filed under salt.
Articles
Fact-based Odd Places
After the Rain, Bolivia Gets the World's Biggest Mirror
The Salar de Uyuni is so flat that a thin film of rain turns it into a mirror 129 kilometres across, and when it dries, satellites use it to check their eyesight.
Fact-based Odd Places
Australia Has a Lake the Colour of Bubble Gum
On a small island off Western Australia sits a lake so pink it looks painted, and a glass of its water stays pink too, thanks to some very salty tiny residents.
Fact-based Kitchen Science
Why a Bag of Ice and Salt Can Turn Milk Into Ice Cream
Ice on its own is not cold enough to freeze ice cream, but add a few handfuls of salt and the mixture drops far below freezing, all because salt gets in the way of water trying to become ice.