In a new study, researchers have investigated how the endocrine-disrupting substance linuron affects reproduction in the West African clawed frog, Xenopus tropicalis. The scientists found that linuron ...
Hold out your arm with your palm facing downward. Now rotate your hand 90 degrees to give a thumbs-up without moving your elbow. If you look closely, you’ll notice the two bones in your forearm, ...
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