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Scientists Calculated the Energy Needed to Carry a Baby. Shocker: It’s a Lot.

In humans, the energetic cost of pregnancy is about 50,000 dietary calories — far higher than previously believed, a new study found.

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Military Testosterone Policy Raises Questions About Its Links to Aggression

Defense Secretary Pete Hegseth’s call for a “High-T military” raises questions about testosterone’s effect on aggression in some men. from...

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