EVOLUTION. Les Brown Physics Of Crystals Full Documentary. ( Age of Lucidity ) Beyond 'absolute zero' temperatures get hotter. It sounds like a contradiction in terms but scientists have reached temperatures that go beyond absolute zero in a lab, and get hotter as they do so. Whereas we’re all aware of what happens when temperatures hit negative temperatures on the Fahrenheit and Celsius scales (hint: it gets really cold), the Kelvin scale is an absolute temperature scale in physics where it is not possible to go beyond 0 degrees Kelvin.
Therefore, the lowest point that any temperature can reach is 0 K or −460 °F (−273.15 °C); at least that’s what scientists thought until till now. When they cooled an atomic gas to extreme lows, known as ‘ultracooling’, physicists at the Ludwig-Maximilians University Munich and the Max Planck Institute of Quantum Optics in Germany created a gas that went beyond absolute zero. They found that the atoms in the ultracooled gas attract each other and give rise to a negative pressure. "It is even hotter than at any positive temperature. " Future - Science & Environment - Will we ever… photosynthesise like plants? The discovery that some animals have found ways to feed off the Sun’s energy has led to the intriguing idea that humans could one day create solar-powered nourishment.
Humans have to grow, hunt, and gather food, but many living things aren’t so constrained. Plants, algae and many species of bacteria can make their own sustenance through the process of photosynthesis. They harness sunlight to drive the chemical reactions in their bodies that produce sugars. Could humans ever do something similar? Could our bodies ever be altered to feed off the Sun’s energy in the same way as a plant? As a rule, animals cannot photosynthesise, but all rules have exceptions. Another insect, the Oriental hornet, might have a similar trick, using a different pigment called xanthopterin to convert light to electrical energy. There are, however, animals that photosynthesise in the fullest sense of the word. Sun buddies But maybe the seeds of such relationships aren’t as difficult to plant as they might seem.
Bengoldacre - secondary blog - ben goldacre witters on and on and on about things that are too long to post on twitter and not clever enough to post on his main blog at www.badscience.net. Bad Science. MIT Haystack Observatory. Sigma Xi, The Scientific Research Society. ASBMB. The American Society for Clinical Investigation. The ASCI is an honor society of physician-scientists, those who translate findings in the laboratory to the advancement of clinical practice. Founded in 1908, the Society is home to more than 3,000 members who are in the upper ranks of academic medicine and industry.
The ASCI is pleased to announce the election of new members for 2014. The following will be officially welcomed into the ASCI at its annual ASCI Dinner and New Member Induction Ceremony, April 25, 2014, as part of the 2014 ASCI/AAP Joint Meeting. Clara Abraham, M.D. Yale University School of MedicineCristian Apetrei, M.D., Ph.D. The inaugural Harrington Prize for Innovation in Medicine has been awarded to pediatric cardiologist and genetics researcher Harry Dietz, MD, of The Johns Hopkins University School of Medicine. Beth Levine Photo credit: Brian Coats for UT Southwestern Medical Center.