សំណប់ចិត្ត ប៉ាពីយ៉ា

Animal Sex: How Love Dart–Shooting Snails Do It

This Valentine's Day, mischievous Cupid will be fluttering about with bow in hand, seeking out mortal hearts to pierce with his love-tinged arrows. But the winged god isn't the only one known for this kind of behavior — oddly, land snails are also known to shoot "love darts." Land snails belong to the gastropod class, which includes thousands of snail and slug species that sport a wide range of reproductive behaviors. Mating for these species typically occurs in the wetter months, said Joris Koene, a biologist at the University of Amsterdam in the Netherlands whose research focuses on love darts. A Cornu aspersum snail that was hit in the head by a love-dart (arrow) so hard that the dart came out the other side of its head, next to the right eystalk. Credit: Monica Lodi & Joris M. Koene, Journal of Molluscan Studies (DOI: 10.1093/mollus/eyv046) View full size image During this ritual, the snails look for traits that they find appealing, such as a large body size...

Nice Guys Win: Women Choose Altruism Over Looks

Forget the expression "nice guys finish last." A new study finds that men who are concerned for the well-being of others in place of themselves may have a better shot with women compared to men who are just good-looking. Researchers found that women reported men as being more attractive when the guys were paired with a scenario showing them doing something kind, generous or heroic, compared to men who were notable for their physical appeal. Altruism is the term for when someone acts in a way that is beneficial to others and not themselves. Scientists from the University of Worcester and the University of Sunderland, both in the United Kingdom, said they wanted to know if this trait has any impact on how women choose a partner. [5 Ways Relationships Are Good for Your Health] In the new study, the researchers analyzed what happened when two desirable characteristics, physical attractiveness and altruism, were investigated together, and whether women preferred one quality over t...

10 Steven Tyler Collaborations You Must Know

The flamboyant frontman for Aerosmith, one of America’s most successful rock bands (having sold more than 66.5 million units), Steven Tyler, the self-proclaimed “Daemon of Screamin’,” is best known for his impressive vocal chops, bluesy harmonica skills, and being one half of the “Toxic Twins” alongside bandmate Joe Perry. Stepping away from Aerosmith here and there, he’s recorded with many other artists throughout the decades, producing some popular as well as some more obscure collaboration. Here are ten worth visiting. 10 Steven Tyler Collaborations You Must Know – 10. Keith Anderson feat. Steven Tyler – “Three Chord Country and American Rock & Roll” Featured on Anderson’s 2005 debut album of the same name, Tyler appears on a remix version of this song. It was intended for release as a single but never came to light. Steven can be heard mostly singing along with Keith, howling here and there, and shining mostly toward the song’s end when he whips out the trusty harmonica for a f...

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