New factor in the carbon cycle of the Southern Ocean identified

Plankton are small organisms that drift with the currents in the seas and oceans. Despite their small size, they play an important planetary role due to their immense quantity. Photosynthesizing plankton, known as phytoplankton, ...

Key building block for organic molecules discovered in meteorites

Scientists from Japan and the U.S. have confirmed the presence in meteorites of a key organic molecule which may have been used to build other organic molecules, including some used by life. The discovery validates theories ...

Making heads or tails out of phospholipid synthesis

Most scientists agree that life on Earth began about 4 billion years ago, but they don't agree where—on land or in water. They know that about 2 billion years ago, single-celled organisms evolved into complex plants and ...

La Nina likely, but temperatures set to remain high: UN

Global temperatures boosted by climate change will still be higher than usual despite the cooling effect of a La Nina weather phenomenon expected to develop in the coming months, the UN said Thursday.

page 15 from 40