Macho men are seen as bad choice for long-term love
...op physical condition. Instead women see a healthy guy as the source of wealth, and fit for family life. ...Brain tumors coax important support from nearby immune system cells
...n that they can definitely be subverted into a bad guy role by tumors." When researchers gave the mice drugs that dampen immune system function, blocking activation of the microglia, tumor growth slowed. To get a sense for what the microglia was making that boosts tumor growth, they compared the protein...Blame our evolutionary risk of cancer on body mass
...ne point I was woken up at two in the morning by a guy on a cell phone hunting pest beavers in Montezuma," says Gorbunova. "I'm still trying to wake up and this voice says, 'I hear you're looking for beavers.' " For over a year, Gorbunova collected deceased rodents from around the world and had them ship...Do These Genes Make Me Look Fat?
...watching the scales with mounting dread, while the guy in the office next to yours can eat a pound of Twinkies a day and not gain an ounce? Find out by attending the Genetics and Public Policy Center's next lecture in our Genetics Perspectives on Policy Seminars (GenePOPS), "Do These Genes Make Me Loo...Widespread elephant slaughter discovered in Chad
...hers' camp. The second time we passed over I saw a guy and a horse and an assault rifle in the poacher's hands. The third time we flew over, this time only about 150 feet above the camp, I could see the man shooting at us." No one was hurt. Zakouma National Park in southeastern Chad makes up part of a T...Nanotubes used for first time to send signals to nerve cells
...nd his group. It's great to be able to work with a guy who's on the cutting edge of nanoelectronics technology -- he seems to develop something new every week, and it's really become a great interaction."...Discoveries should aid research into cause of ALS
...e protein to be bluish-green in color, was the bad guy in this disease," said O'Halloran. "But the data has been building up to say that something else may be responsible for the toxicity. Our results suggest that the status of the disulfide bond, a long overlooked part of the SOD1 protein, plays a pivot...Picking the best parent for your chicks
...." Early in the season, females picked the reddest guy around, not the one most genetically different from her, the researchers found. As the flashiest males got snatched up, females arriving later had different choices. Those out-of-towners, genetically different from the locals, ended up with mates tha...Found: Key 'go-between' in heart disease
...y we've uncovered a complex network of how one bad guy regulates another bad guy," said Professor Levon Khachigian, of the Centre for Vascular Research (CVR) at UNSW. "We've also found a key to stopping this Mafioso network." Arteries thicken when tiny molecules are increased in blood vessels. These are ...Risk/benefit analysis of farmed versus wild salmon
...rly worthwhile for some groups. "For a middle-aged guy who has had a coronary and doesn't want to have another one, the risks from pollutants are minor ones, and the omega-3 benefits him in a way that far outstrips the relatively minor risks of the pollutants," he said. "But for people who are young -- a...Extravagant but worthless gifts help a guy get the girl
...ues such as appearance. "In humans, a girl wants a guy who is attractive to her and will help raise their...invitation isn't accepted. Girls that don't find a guy attractive are less likely to take up the invitation because it would mean spending time with a pers...Discovery of an American salamander where it shouldn't be: Korea
...show up, and in the most surprising way, when some guy who's a high school teacher from Illinois goes out with his class and says, 'Let's look for salamanders, let's see what we can find when we turn over rocks and logs.'" To date, the salamander has been found in 16 locations in three Korean provinces, ...Grizzlies set to invade high Arctic?
... the mud. And from the cabin's outside walls and a guy wire attached to the roof they collected two intriguing brown hairs. These were sent for analysis to Wildlife Genetics International Inc. in Nelson, British Columbia, one of the world's premier bear DNA labs. The result: the genetic analysis pointed ...Falling canopy ants glide home
...o asked whether all canopy ants glide. "I was the guy that stayed on the ground," Kaspari recounts, "while Steve dropped Paraponera [bullet ants that pack a nasty sting] down at me." Canopy ants in two groups: the Cephalotini and the Pseudomyrmecinae glide; arboreal Ponerines and Dolichoderines did not...Jeans too tight? 50 percent of adults can blame their genes and not just diet and exercise
ST. LOUIS -- If you're a middle-aged guy who's packed on the pounds and now is battling to take them off, it's a 50-50 shot that your jeans are fitting tighter because of your genes, according to a Saint Louis University School of Public Health study. "About 50 percent of adult onset weight...