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A team of neuroscientists at MIT and Harvard found that the same face can look male or female to a person, depending on where it appears in his/her field of view.If we are surrounded by people, we can tell usually who is a man and who is a woman, by looking at their clothes, or at their hair.This actually proves that... |
25 November 2010
10:56 GMT |
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The simple theory of natural selection says that the fittest males will father the next generation. But a new research published in journal PLoS One and carried out by a team at the University of Southern California shows that this is not the real case, explaining a paradox that goes from insects to humans: if the be... |
17 April 2008
04:12 GMT |
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Those thousands of knights went to the Middle East during the 11th-13th centuries to free the Holy Land from the hands of the Muslims, but despite their religiosity, they found some moments to have some hanky-panky. In the end, their wives from England, France, Germany and Italy were far away and many ended mixing wi... |
28 March 2008
17:41 GMT |
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In most other animal species, mating is not by far as pleasant as it is for humans. In our case, the sexual and reproductive behaviors are distinct, as sex has rather the role of bonding and forming social connections. But in some animal species, the male is 'dying' to have sex…literally! In praying mantis ... |
11 October 2007
04:57 GMT |
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Contraception has always been considered primarily a woman's responsibility. Now, men have the chance to 'help with this task', so that women can get rid of pills, IUDs and diaphragms...at least if they do not want to hear "Daddy" when they least expect it. Nowadays, men have only two options: vasecto... |
1 October 2007
15:41 GMT |
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It's so easy to leave the contraception responsibility to the woman... Still, lately, the scientific research has been providing ideas and concepts for so many products designed for males... Including a male contraceptive device: The Intra Vas Device (IVD), tiny implants that stop the flow of seminal liquid. Th... |
26 September 2007
14:06 GMT |
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We know men come from Mars, women from Venus. Now, scientists are on the way to prove they really represent different worlds. Chemically. A team at the University of Illinois at Chicago has found for the first time a chemical in male blue crabs that is absent in females: a whole enzyme chain appeared to be functional... |
1 September 2007
11:06 GMT |
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As we all have learned, females produce eggs and males sperm. Females are the mothers and males are the fathers. This has been so ever since the beginning of times. The female takes care of the eggs and eventually of the offspring. And what if not? Nature has many surprises for us. Sometimes males are very devoted mo... |
14 August 2007
14:06 GMT |
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I remember my first human figure drawings used to be a disaster. Whenever I started my drawing with the head, there was not enough paper to draw the feet and again, if I drew the feet first and then the head, I always needed extra paper to finish. Only after a lot of wasted crayons and paper I started to realize tha... |
31 July 2007
12:19 GMT |
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Hunks can eliminate their rivals in direct confrontations. But 'shorties' can sneak faster in a woman's world: nature too comes with its example of sex machine dwarfs. At least in the already dwarf world of the beetles. A team led by University of Kentucky evolutionary biologist Charles Fox wanted to s... |
25 July 2007
05:47 GMT |
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Sex and economics seem to be connected: animals tend to invest in their offspring according to their expected payoff. A team of behavioral ecologists at the National Museum of Natural History and the Laboratory of Evolutive Parasitology, Paris showed that, in the peafowl (Pavo cristatus), when females mated with att... |
23 July 2007
04:55 GMT |
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Take a look at Bruce Willis' case: how can the father be so hot and have a daughter who looks like a wack?But this does not apply only to humans. Genes that enhance the manhood in males are not necessarily a beneficial heredity for the daughters, too. At least in red deer (Cervus elaphus), the best hunks that wi... |
28 June 2007
04:09 GMT |
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Male vanity hardly copes with the fact that in 50 % of the cases, the couple's infertility is the man's fault. It is even trickier to get him to see a doctor for a fertility evaluation. The new at-home screening test, called Fertell, has solved this. This is the first at-home device to test the concentratio... |
12 June 2007
15:51 GMT |
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This is the way men are: they take care of their car more than of their health. That's why men die earlier than women: their lifespan is 7 years lower than that of the females. In the western world, 70 % of men aged 30-50 are overweight and 40 % are stressed. These are the 8 factors threatening men's life i... |
9 June 2007
07:00 GMT |
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Many proud fathers insist on passing their family name on their sons. In the Chinese culture, it is considered that only the male offspring can celebrate the cult of the forbears. In India, having a daughter could mean the ruin of your family when you have to pay her dowry. Sadly, in China, India and other Asian coun... |
4 June 2007
14:56 GMT |
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Sex can be dangerous. And in some cases the females are the ones putting themselves at risk. In the case of the fiddler crabs females have to expose themselves to the predators to get some loving moments. That's why they seem to take very seriously the sexual signaling as discovered by a mix team from Seoul Nat... |
9 May 2007
04:53 GMT |
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In the field of sex, nature got very imaginative with the plants. Sexual organs of the plants, or flowers, are extremely diversely organized: they can be male or female, or have a hermaphrodite structure. Depending on species, an individual can carry hermaphrodite flowers, or only males, or only females, or a combina... |
1 May 2007
10:13 GMT |
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There is a general concept that sex is needed for organisms to diversify. Sexual reproduction would be necessary for speciation because interbreeding triggers variation. This concept is challenged by a group of organisms that has never had sex in over 100 million years of existence and has nevertheless managed to evo... |
20 March 2007
07:37 GMT |
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There's no way we can witness a women chatting without the subject to divert towards how much they got fat or slimmed, the last diet they heard about, the best gym in the city and so on. A new research discovered that the "fat talk", occurring between women of all ages, is a socially mandatory conversation. "We ... |
13 March 2007
13:14 GMT |
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About 7 % of American couples are sterile. 30 % of the cases are attributed to the man, 30 % to the woman and the rest to both partners or to unknown reasons. Drugs or surgery can treat 85-90 % of infertility cases; less than 3 % require in vitro fertilization (IVF), a costly procedure. "Couples really prefer having ... |
2 March 2007
07:07 GMT |
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