How do astronauts keep fit in space?
Imagine being the first human to walk on Mars—for today's youngsters such ambitions could really materialise as humankind steps closer to the next cosmic frontier.
Imagine being the first human to walk on Mars—for today's youngsters such ambitions could really materialise as humankind steps closer to the next cosmic frontier.
Space Exploration
Nov 23, 2015
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(PhysOrg.com) -- When cells are exposed to life-threatening stresses, they take quick action to save themselves. Among other defenses, they start manufacturing proteins that perform critical tasks such as repairing DNA.
Cell & Microbiology
Dec 17, 2010
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(Phys.org)—A Simon Fraser University physicist has helped discover that understanding how a chemical mark on our DNA affects gene expression could be as useful to scientists as fingerprints are to police at a crime scene.
Biochemistry
Oct 11, 2012
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Biologists at the California Institute of Technology (Caltech) have worked out the details of a mechanism that leads undifferentiated blood stem cells to become macrophages—immune cells that attack bacteria and other foreign ...
Cell & Microbiology
Jul 18, 2013
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Studying lampreys allows biologists to envision the evolutionary past, because they represent an early offshoot of the evolutionary tree, before sharks and fish.
Cell & Microbiology
Aug 12, 2013
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A surprise finding suggests that an injection of nanoparticles may be able to help fight the immune system when it goes haywire, researchers at the University of Michigan have shown. The nanoparticles divert immune cells ...
Bio & Medicine
Nov 8, 2017
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European researchers at Linköping University in Sweden are showing how bacteria control processes in human cells through a process called quorum sensing. This phenomenon is where bacteria talk to each other via molecules ...
Cell & Microbiology
Dec 6, 2012
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New research from the University of Dundee has discovered that cells of average size are the Olympic athletes of the cellular world, performing better than those which are too big or two small.
Cell & Microbiology
Oct 10, 2016
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A new study, published online April 8 by Cell Press in the journal Immunity, describes a unique therapeutic "nanovaccine" that successfully reverses diabetes in a mouse model of the disease. In addition to providing new insight ...
Bio & Medicine
Apr 8, 2010
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What makes a harmless virus turn lethal? For the deadliest infectious disease in cats, Cornell scientists now know.
Cell & Microbiology
Jun 24, 2013
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