When clouds roll over a field or a greenhouse lamp dims, plant leaves have to choose fast. Keep pores open to grab carbon dioxide, or close them to save water. A new study has watched that choice ...

Which compound microscope is best? Anybody who is into science has probably thought about getting a microscope. But with so many different types available, it can be overwhelming to decide on the ...

A scanning electron microscope reveals nematodes (highlighted in green) inside the spongy mesophyll of a European beech (Fagus sylvatica) leaf infected with beech leaf disease (BLD). Eggs are marked ...

A microscope image shows the surface of a Kapur Paya fossil leaf. Tiny pores called stomata and the outer skin cells of the leaf are visible, which helps scientists compare it to living trees. Credit ...