If you lose your sight, you make up for it with other senses. If one arm is amputated, you learn to do twice as many things ...
Dunn’s team analyzed the biological “budget” of these primates and found a direct negative correlation: males with large ...
The testicles, or testes, are important for the production and storage of sperm until they’re mature enough for ejaculation. They also produce testosterone, which is responsible for sex drive, ...
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