tears
dr. dolittle | September 29, 2013 Amazonian butterflies drinking turtle tears.Image from: Jeff Cremer / Perunature.com
The Amazon region is notoriously deficient in sodium because of its large distance from the ocean and because the Andes mountains block the delivery of windblown minerals from the West. Some minerals travel from the east, but much of the air is cleaned by rain before the minerals can make it to the western region of the Amazon Basin.
So if you were a butterfly, where would you find a readily available source of salt in the Amazon? The answer is not very obvious, unless you look at the photo of a yellow-…
mdror | January 10, 2011Did Israeli singer-songwriter Arik Einstein know something that scientists didn't when he released the song "When You Cry You're Not So Pretty" back in 1969?
Prof. Noam Sobel and his team of the Weizmann Institute of Science have now shown that merely sniffing a woman's tears - even when the crying woman is not present - reduces sexual arousal in men.
This study raises many interesting questions. What is the chemical involved? Do different kinds of emotional situations send different tear-encoded signals? Are women's tears different from, say, men's tears? Children's tears? This study…