香蕉视频

With a new planet-wide analysis of vertebrate life, an international team has used 21st century science to update an iconic 1876 map of Earth鈥檚 zoological regions. By incorporating data on 21,037 species of mammals, birds and amphibians, Jean-Philippe Lessard, now at 香蕉视频 in Montreal, and his colleagues have revised a zoological map created by Alfred Russel Wallace, an oft-overlooked cofounder of the theory of evolution. Wallace鈥檚 map divided Earth鈥檚 landmasses into six major regions, each with its own distinctive blend of vertebrates.

(Desautels' Karl Moore): "Hormones can affect traders鈥� views.聽 Cambridge鈥檚 John Coates believes that the financial crisis was created, to some degree, by people鈥檚 body chemistry.聽 Would having more women on聽 Wall Street and in the City help?聽 Let鈥檚 listen to John鈥�"

Read more at

Doctors should think twice about prescribing drugs like Ritalin and Adderall used to treat attention deficit disorder to healthy individuals seeking to boost their brain power, says an article in this weeks edition of the Canadian Medical Association Journal. The authors say prescription stimulants are used by some people for cognitive enhancement in the absence of any medical need.

Tom Velk and Olivia Gong say while China shows all the usual traits of a conventional great power, the West needs to accept that the way it wields its influence is also very different. [Tom Velk is a professor of economics and director of the North American Studies program at 香蕉视频. Olivia Gong is a finance student and research assistant at McGill].

Read more at the

(Chemistry professor Joe Schwarcz): What did the jockey who never lost a race whisper into the horse's ear? Roses are red violets are blue Horses that lose are made into glue! OK, so it's a groaner. But until the advent of polyvinyl acetate (PVA) and other synthetic glues in the 20th century, the destiny of aging horses was indeed the glue factory. The collagen extracted from their hides, connective tissues and hoofs made for an ideal wood adhesive. Our word "collagen," for the group of proteins found in these tissues, actually derives from the Greek "kolla" for "glue."

McGill wide receiver Shaquille Johnson received the Peter Gorman Trophy, emblematic of the rookie-of-the-year award in CIS football, during the CFL Player Awards ceremony in Toronto Thursday night. Johnson, a 19-year-old management freshman from Brampton, Ont., is only the second McGill player to win the award. Michael Soles was the Peter Gorman Trophy winner in 1986; he went on to a long CFL career.聽 "As a person, Shaq is quiet, modest, and humble," McGill head coach Clint Uttley said. "As a football player, he has a natural feel for the game. He's extremely athletic and smooth.

When longevity is a plus in the arenas of jazz, blues and country, do aging rockers face scorn? When Dave Brubeck last made one of his semi-regular appearances at the Montreal International Jazz Festival in 2011, he was 90. No one jokingly wondered aloud how they let him out of the nursing home. B.B. King, 87, played two nights at Salle Wilfrid Pelletier in May. No cartoons were published of his fans making their way to the shows with walkers. With rock 鈥檔鈥� roll, it鈥檚 a whole different ball game. Why the double standard?