Related topics: water

Sea sponges need oxygen, as fish and people do

The inconspicuous sea sponges are Earth's oldest multicellular animals and have filtered the oceans for nearly 900 million years, long before the first plants appeared on land. New research appearing in the journal Fishery ...

Understanding how autoactivation triggers cell death

Apoptosis is a process that causes cell death. It can go awry in cancer cells, sustaining the disease. Scientists at St. Jude Children's Research Hospital have captured the structure of BAK, a protein that triggers apoptosis. ...

Observing the secret life of molecules inside the cell

To understand how cells function, scientists study how their different components—from single molecules to multiple organelles—work together. Using traditional structural biology techniques, they can look at individual ...

Precision sieving of gases through atomic pores in graphene

By crafting atomic-scale holes in atomically thin membranes, it should be possible to create molecular sieves for precise and efficient gas separation, including extraction of carbon dioxide from air, University of Manchester ...

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