The parasite Schistosoma burrows through human skin, attaches to veins with a sucker (pictured here), and lays eggs, which the body expels in fecal matter, ready to infect anew.
By Kate Yandell | March 5, 2013
BPoD, Jiaojiao Lin, PLoS ONE 7(10): e47660
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By Rina Shaikh-Lesko
An international team has created human embryonic stem cells from adult skin cells for the first time.
By Bob Grant
Researchers pinpoint a distant planet that may be the right size and temperature to support liquid water and life.
By Jef Akst
Insects in Brazil go beyond simple behavioral sex-role reversal. In these animals, the females use an erectile organ to penetrate the male’s genital chamber.
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