Can nutrient-rich mud from Greenland transform poor tropical soils to produce more and higher quality food? This is what a new research project will study.
Microscopic algae living underneath sea ice are an essential source of food in the Arctic ocean. But do we really know how little light they need to survive?
We take it for granted that gravity pulls things towards the Earth. But in reality this is just one of many explanations. And they are all equally made up.
