One of the big, unsolved problems in explaining how life arose on Earth is a chicken-and-egg paradox: How could the basic biochemicals -- such as amino acids and nucleotides -- have arisen before the biological catalysts ...
Biochemistry
Sep 3, 2010
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One enzyme regulates the body's insulin receptor, ensuring energy needed for function and survival. The other enables a bacterium to wreak havoc in the form of bubonic plague.
Biochemistry
Aug 22, 2013
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Much in the same way as we use shredders to destroy documents that are no longer useful or that contain potentially damaging information, cells use molecular machines to degrade unwanted or defective macromolecules. Scientists ...
Cell & Microbiology
Aug 16, 2013
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In recent years, many physicists worldwide have introduced atomic clocks, systems to measure the passing of time that are based on quantum states of atoms. These clocks can have numerous valuable applications, for instance ...
(Phys.org) —Columbia Engineering researchers have developed a technique to isolate a single water molecule inside a buckyball, or C60, and to drive motion of the so-called "big" nonpolar ball through the encapsulated "small" ...
Nanophysics
May 6, 2013
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1
UCLA biochemists have created the largest-ever protein that self-assembles into a molecular "cage." The research could lead to synthetic vaccines that protect people from the flu, HIV and other diseases.
Bio & Medicine
Nov 19, 2014
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Plant-based meat surrogates have been the rage for some time. "Impossible" has become a buzzword to tout everything from vegetarian burgers at fast food chains to meatless alternatives in grocery store aisles. Indeed, modern ...
Soft Matter
Apr 12, 2022
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67
Carbon dioxide is a molecular gas at ambient conditions and an important consitituent of the Earth’s atmosphere. It is also a likely component in the Earth’s mantle, and it plays an important role in the life cycle. But ...
Condensed Matter
Mar 25, 2009
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New research published in Nature Methods will dramatically improve how scientists "see inside" molecular structures in solution, allowing for much more precise ways to image data in various fields, from astronomy to drug ...
Materials Science
Feb 27, 2018
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595
Since World War I, the vast majority of American combat casualties has come not from gunshot wounds but from explosions. Today, most soldiers wear a heavy, bullet-proof vest to protect their torso but much of their body remains ...
Nanomaterials
Jun 29, 2020
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