How could something as common as sand possibly be running low?

Wissenschaft & Technik
Great Moments In Science Folgen
From the ground breaking and life saving to the wacky and implausible, Dr Karl Kruszelnicki reveals some of the best moments in science.
Folgen von Great Moments In Science
249 Folgen
-
Folge vom 23.07.2019Running out of sand, part one
-
Folge vom 16.07.2019Marco Polo and spaghetti: part twoThere's plenty of evidence that Marco Polo didn't introduce pasta from China. So where did that myth start?
-
Folge vom 09.07.2019Marco Polo and spaghetti: part oneWe all know that Marco Polo brought spaghetti to the western world from his travels in China. Or did he?
-
Folge vom 02.07.2019Tobacco denialism: part twoA meeting in 1953 created the formula for a smokescreen that's still playing out today. And it's gone way beyond tobacco.