Unlike animals, plants don’t need a male and a female because their flowers have both male parts and female parts. Pollen in plants is like sperm in animals. It comes from the male part of the ...

Stem cells function as a source of new cells to grow or replace specialised tissues. To perform this function, these cells must divide to renew themselves, while some of their descendants ...

How does water move through plants to get to the top of tall trees? Here we describe the pathways and mechanisms driving water uptake and transport through plants, and causes of flow disruption.