testosterone
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Sexing Dinos: Paleontologists Seek Fossilized Hormones
How can you tell if a dinosaur is female or male? It’s one of the most basic aspects of biology and yet, for the most part, it continues to be a mystery in paleontology. We don’t yet know the sex of most extinct species, even if those in museum displays have gender-specific names like Sue…
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You Can Raise Your Testosterone Levels Just By Acting Aggressive
We’ve known for a while that testosterone is associated with aggressive behaviour. But a fascinating new experiment reveals that these hormones are a two-way street: Simply acting aggressive can also raise levels of testosterone, in both women and men.
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How Testosterone Makes You Hairy
Male or female, most of us have body hair — some far, far more than others. This video explains how testosterone fuels the growth of hair all over your body.