Reproduction Challenges: Tougher Than Scientists Anticipated

A close-up photo shows an adult sheep gently nuzzling a small, sleeping lamb on green grass. The image is overlaid with the headline text 'How much energy does it take to make a baby? Researchers are rethinking what they know' from a Nature news feature article dated October 22, 2024. The article discusses the underestimated energy costs of reproduction across the animal kingdom, using the sheep and lamb as an example.

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