Tag Archives : Proceedings of the National Academy of Sciences

Their reputation of being man-eating ferocious animals precedes them most of the time, making them tourist-drawing museum pieces. However, the famed Kenyan duo of man-eating lions may not really be that human-hungry. The infamous Tsavo lions credited with 135 kills ate just 35 humans, making them not as ravenous as legend creates them to be. The Tsavo [...]

American oncologists isolated a potent inhibitor of metastasis that may enable the creation of new treatments against cancer. The metastasis, which is the invasion of cancer cells in other parts of the body, is a major cause of cancer deaths. The oncologist Watnick Randolph, Professor of Vascular Biology Program of the Pediatric Hospital of Boston, [...]

Findings of a study that biologically link sexual orientation and brain function are published in the Proceedings of the National Academy of Sciences. According to this recent research, there is a similarity between the brains of homosexual males and heterosexual females, thereby suggesting that biology is central to sexual orientation. With the use [...]

Vermilion, a bright red pigment used in ancient rituals in the Andes and as an adornment to ‘gold and silver ceremonial objects in ancient burials of kings and nobles in South America,’ held the proof of the main reason behind large-scale mercury mining in the Andes as early as 1400 B.C. This finding refutes the earlier and more widely-accepted [...]