SocialStudies

Cum - Ocak 12, 2007

Best dressed women have babies on their mind

Working with a group of 30 women aged 18 to 37, Martie Haselton of the University of California, Los Angeles, and colleagues took two full-body photographs of each woman, one close to ovulation when the woman was highly fertile, and one at a point of low fertility in the menstrual cycle.

Posted at 03:46 PM Read More

Paz - Ağustos 13, 2006

Breast is best, but watch out for the allergies

The researchers noticed that children who developed allergies after prolonged exclusive breastfeeding were most likely to do so during the first years of life, suggesting that environmental factors such as pollen exposure, diet and disease are the more important factors in the onset of allergies in later childhood and early adulthood.

Posted at 01:00 PM Read More

Çar - Ağustos 2, 2006

Discovering the nature of party people

They became so picky about who they spent time with that they quit parties with too few like-minded people and ended up at one party with all their snooty friends.

Posted at 10:22 AM Read More

Per - Temmuz 13, 2006

Big Brother eyes make us act more honestly

Biology Letters We all know the scene: the departmental coffee room, with the price list for tea and coffee on the wall and the “honesty box” where you pay for your drinks – or not, because no one is watching.\

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Paz - Mart 26, 2006

Addictive, seductive, sudoku

Sudoku is nothing short of a global phenomenon, a once-in-a-generation craze that has, within a year, caused millions of us to overshoot railway stops, sneak away from family gatherings and forgo conjugal relations, all in the hope of filling in just one more square.

Posted at 06:56 AM Read More

Cmt - Aralık 10, 2005

The birth of a language

Psychologist Susan Goldin-Meadow at the University of Chicago, who has been studying 14 home signers in the US, Taiwan, Turkey and Spain, says she has also found a preference for a particular word order among home signers that cannot be down to the spoken language in the environment.

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Cmt - Kasım 19, 2005

How new words become part of a language

Repeated over and over again, this process reflects how people invent and share new words for objects: they constantly invent new words, yet can only use ones that others understand, so it keeps a lid on the number of words in use.

Posted at 09:58 PM Read More

Paz - Ekim 30, 2005

Elephants may pay homage to dead relatives

“But their interest in the ivory and skulls of their own species means that they would be highly likely to visit the bones of relatives who die within their home range,” writes the team, lead by Karen McComb at the University of Sussex, UK.

Enlarge image

Posted at 10:02 PM Read More

Astro-naughtiness could cause problems in space

"With the prospect of a very long-term mission, it's hard to ignore the question of sexuality," says Lawrence Palinkas, a medical anthropologist at the University of Southern California in Los Angeles and an author of the report published by the US National Academy of Sciences (NAS).

Posted at 08:34 PM Read More

Paz - Ağustos 14, 2005

Tribal language has no words for colours

A tribe in a remote area of Brazil may live in just such a world, because their language lacks the words for such concepts and only allows people to talk about material things they have experienced directly.... According to Everett, Pirahã culture does not require its people to talk about abstract concepts, gods, spirits or other things that they have not experienced at first hand.

Posted at 09:11 AM Read More

"Worthless" gifts get the good girls

Using mathematical modelling, Peter Sozou and Robert Seymour at University College London, UK, found that wooing girls with costly, but essentially worthless gifts – such as theatre tickets or expensive dinners out – is a winning courtship strategy for both sexes.

Posted at 08:54 AM Read More

Sal - Temmuz 19, 2005

Sperm-free sex keeps hens happily faithful

Using cleverly designed harnesses, which prevent cocks from depositing semen into a females’ reproductive tract, the team was able to create two distinct groups - hens that had been mounted, but received no sperm, and hens who had successful, sperm-transferring copulations.

Posted at 07:25 PM Read More

Per - Haziran 9, 2005

Study shows why poor prenatal nutrition leads to obesity

Poor nutrition in the womb may remodel the brain circuitry of newborn babies and predispose them to become obese in later life, research in mice suggests.

Posted at 10:08 PM Read More

Genes blamed for fickle female orgasm

The finding that many women cannot achieve orgasm because they do not have the genes for it shows that the ability to orgasm is not a trait for which there has been strong evolutionary selection, says Elisabeth Lloyd of Indiana University in Bloomington, author of The Case of the Female Orgasm.

Posted at 10:06 PM Read More