How hummingbirds evolved to fly at high altitude
(Phys.org) —High up in the Andes, numerous species of hummingbirds are thriving despite low levels of oxygen.
(Phys.org) —High up in the Andes, numerous species of hummingbirds are thriving despite low levels of oxygen.
Evolution
Dec 3, 2013
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(Phys.org)—An international team of researchers has succeeded in genetically altering wheat seeds to prevent the production of gluten in subsequent plants. The effort focused, the team writes in their paper published in ...
Researchers from Johns Hopkins and Northwestern universities have discovered how to control the shape of nanoparticles that move DNA through the body and have shown that the shapes of these carriers may make a big difference ...
Bio & Medicine
Oct 12, 2012
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One of the few reliable ways to extend an organism's lifespan, be it a fruit fly or a mouse, is to restrict calorie intake. Now, a new study in fruit flies is helping to explain why such minimal diets are linked to longevity ...
Biotechnology
Nov 2, 2011
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The days of the blood sample routine - arm out, tie tube, make a fist, find a vein and tap in -- may soon be over, thanks to a new analysis method developed at U of T by Institute of Biomaterials and Biomedical Engineering ...
Analytical Chemistry
Aug 31, 2011
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(PhysOrg.com) -- To say our genes are resourceful is a gross understatement. Through ingenious combinations of a paltry 20 amino acids, the basic building blocks of life, genes engineer all of the tissues and organs that ...
Biochemistry
May 7, 2009
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