Chemistry
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58 minutes ago | News
An
international team of researchers has discovered how adding trace
amounts of water can tremendously speed up chemical reactions—such as
hydrogenation and hydrogenolysis—in which hydrogen is one of the
reactants, or starting materials. Previous research had indicated this
phenomenon, but until now the true importance of water to its effect has
eluded chemists.
23 hours ago | News
Plants
rely on photoreceptors to activate internal chemical processes like
germination and leaf growth. Theorizing that the light-absorbing
component of the photoreceptor may be replaced by a chemically similar
synthetic substance, scientist have for the first time shown that full
growth of plants is possible in the complete absence of light.
23 hours ago | News
The U.S. Food and Drug Administration (FDA)
generally approves drug therapies faster and earlier than its
counterparts in Canada and Europe,
according to a new study by Yale University School of Medicine
researchers. The
study counters perceptions that the drug approval process in the U.S. is
especially slow.
May 17 | News
It
doesn’t matter if it’s regular or decaf, a big new study find that
coffee drinkers are a little more likely to live longer. The results
from the largest study ever done on the issue, comes after years of
waffling research on coffee and health, even some fear that java might
raise the risk of heart disease.
May 15 | News
A
former U.K. government advisor and chemical engineer recently published
an article that discussed how dispersing sub-micrometer
light-scattering particles into the upper atmosphere could help to
combat climate change. Author Peter Davidson says the effect would
replicate the cooling that occurred after the 1991 eruption of Mount
Pinatubo.
May 15 | News
Researchers at the Joint BioEnergy Institute have identified a tropical rainforest microbe that can endure relatively high concentrations of an ionic liquid used to dissolve cellulosic biomass for the production of advanced biofuels. They've also determined how the microbe accomplishes this, a discovery that holds broad implications beyond biofuels.
May 10 | News
A new essay in the journal PLoS Biology,
examines what really constitutes “life” and the probability of
discovering new life forms. Gerald Joyce, from The Scripps Research
Institute, discusses in the essay the basic requirements for a life form
to exist, and how it might fit into the forms alien life could take.
May 9 | News
A
detailed description of development of the first practical device that
mimics the process of photosynthesis has recently been published in an
American Chemical Society journal. Unlike earlier devices, which used
costly ingredients, the new device is made from inexpensive materials
and employs low-cost engineering and manufacturing processes.
May 9 | News
Hydrogen gas offers one of the most promising sustainable energy alternatives to limited fossil fuels. But traditional methods of producing pure hydrogen face significant challenges in unlocking its full potential. Now, scientists at Brookhaven National Laboratory have developed a new electrocatalyst that addresses one of these problems by generating hydrogen gas from water cleanly and with much more affordable materials.
May 8 | News
As
vacationers prepare to spend time outdoors this summer, many of them
will pack
plenty of sunscreen in hopes it will protect their bodies from
overexposure,
and possibly from skin cancer. But researchers at Missouri University of
Science and Technology are discovering that sunscreen may not be so safe
after
all.
