Nobel Laureate, author, researcher and experiencer Kary B. Mullis has died at the age of 74. Mullis revolutionized the field of DNA research—and indeed all disciplines that involve the use of our genetic code—with his invention of the biochemical process known as the polymerase chain reaction. Mullis is also anread more

One might assume that anything that might reflect sunlight back into space, like bright aircraft contrails, would be good for decreasing the effects of global warming, but a new study predicts that the atmospheric heat trapped by the water vapor in the ‘trails will triple by the middle of theread more