Every summer, hundreds of beluga whales gather in Canada's Churchill River, making it an ideal location to collect breath samples.

If you break open a chicken bone, you won’t find a solid mass of white material inside. Instead, you will see a complex, ...

Membrane lipids are lipids involved in forming the structure of biological membranes – both the cell membrane and intracellular membranes – and in membrane function, namely compartmentalization of ...

The initiative is the latest example of the president’s dismantling the post-World War II international system and building a new one, with himself at the center. Israel, Saudi Arabia and other ...