Reduction in supply of prey was decisive factor in extinction of saber-toothed tigers, study finds
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Updates every hour. Last Updated: 31-Dec-2025 17:11 ET (31-Dec-2025 22:11 GMT/UTC)
Colombia’s biofortified rice provides 1.5 more zinc than normal rice. Consumers say the rice is as good as premium rice and are willing to pay more for it. Improving staple foods everywhere should be part of national nutrition policies.
A groundbreaking study of 7000-year-old exposed coral reef fossils reveals how human fishing has transformed Caribbean reef food webs: as sharks declined by 75% and fish preferred by humans became smaller, prey fish species flourished —doubling in numbers and growing larger. This unprecedented look into prehistoric reef communities shows how the loss of top predators cascaded through the entire food web, shifting the balance amongst coral reefs