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...for rodents and men at least.
A team of researchers at UC Berkeley have discovered that mice infected with the parasite Toxoplasma gondii lose their innate fear of cats, even months after the infection is cleared. In fact, infected mice were mildly attracted to the odor of cats. This side effect…
There is actually a cat in this video. Notice, though, that it only appears briefly in the beginning, looks bored, and apathetically wanders off screen. Why? Because the rest of the video features something far more exciting and bizarre than a mere cat: it's all about zombie fish, their brains…
You've all heard of Malaria. It's bad. It infects hundreds of millions of people, mostly in developing nations. It rarely leads directly to death*, but the resulting illness can lay people out for days or weeks, increasing an already heavy economic burden on many of the poorest countries in the…
Scientists have just documented (another) inheritable change in a species that occurred in response to a change in the environment -- in this case a parasite. Hence they have observed the process of natural selection.
In the latest issue of Science, Charlat et al. observed that the sex ratio in a…