Wednesday, 23 May, 2012

Gills are the equivalent of a mammal’s lungs, says Jeffrey Malison, director of the aquaculture program at University of Wisconsin-Madison. “Their primary purpose is to exchange gases, take oxygen in and release carbon dioxide out of the fish.” Both lungs and gills have a bed of very small blood vessels with thin walls that the [...]

Chocolate doesn’t just tingle the tongue; it’s a soup of many compounds that affect the brain, including caffeine and theobromines. And it’s true: chocolate does affect women differently than men, says Anthony Auger, an assistant professor of psychology at UW-Madison. Auger, who studies sex differences in the brain, agrees that women have a stronger craving [...]

“Yes, absolutely,” said canine authority and UW-Madison adjunct associate professor of zoology Patricia McConnell. When confronting the natural tendency of our best friends to wake the dead whenever the doorbell rings, McConnell said it is essential to remember that “dogs do not come equipped to understand English” and yelling at a barking dog is perceived [...]