Cells: the basic units of life

Mass extinctions and evolutionary leaps, from bacteria to Homo sapiens

Where did life on Earth begin? That sounds like a relatively straightforward question. Surely life on Earth began… well, on Earth, right? We know this planet had the right conditions for life to arise

Two contrasting visions of humanity’s future in space

What happens when the human brain shuts down

Probably the most common question I’m asked by patients who are feeling tired or have put on weight is, “Do I have a slow metabolism?” The answer is complicated. Your metabolism is the name for all th

Quiz of the week 1) What is the dispersal ...