Tag: "contests" at biology news
Study finds surfing safer than soccer
...esearch team collected injury data from 32 surfing contests
worldwide, both professional and amateur. Document...p to predict the needs of medical staff support at contests
and aid in the design of safer surfboards and protective equipment such as helmets," Nathanson adds....
...archies in which dominant females support the rank contests
of their daughters. Bottlenose dolphins form "political" coalitions every bit as complex as those of chimpanzees. Caledonian crows not only use tools in the wild, but also modify tools in the lab, an ability once thought to define humans. And now ...
Fighting like a girl or boy determined by gene in fruit flies
...avitz's lab, had similar questions and was staging contests
between another line of mutant fruitless flies without such clear brain-switching genetics. So Austrian postdoctoral fellow Eleftheria Vrontou, the lead author, packed up their flies and took them to the Boston fruit fly fight club. For the past f...
Chemical exchanges show wasps are bad losers
... crop pest." The scientists staged 47 separate contests
between pairs of female wasps, placing them in a transparent chamber with a larva, which in the wild they paralyse to use as a host to lay their eggs on. One 'owner' female had paralysed the host 24 hours before the other wasp was allowed to intrude....
An elephant tail
...ouglas-Hamilton. "If they are to succeed in sexual contests
for females, they need high-quality food to build up their strength, hence the reason for high-risk crop raiding." "It is a high-risk, high-gain strategy, and in our elephant's case it did not pay off. Shortly after the research was done, Lewis suff...
If you flaunt it, you've got it: How red-heads top the pecking order
...hat related to the three head colours. Observing contests
between two unfamiliar males over access to food, ...ce advantage and will out-compete the other two in contests
over limited resources like food and the best nesting sites. "As well, they show how the expression...
AGI announces winners of Earth Science Week 2005 contests
...e the 2005 Earth Science Week contest winners. The contests
encourage the public to participate in this annual...ence Week Web site at www.earthsciweek.org . The contests
represent an important part of Earth Science Week, which took place October 9-15, 2005. With active ...
The blotchier the face, the better the wasp
...sing a combination of pacing about, having staring contests
and grappling with one another. It took the wasps between 5 minutes and two hours to sort out their differences. By analyzing videotapes of 61 wasp fights, the researchers found that the winning wasps generally had more broken-up, spotty or wavy blac...
New Royal Society journal studies
...monstrate that randomly chosen winners in pairwise contests
were more likely to emerge as top-ranked individuals in a hierarchy, while randomly chosen losers were more likely to emerge as the lowest ranking individuals. These results strongly suggest that information on such measures as size and "fighting abi...