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Front Matter
Cheetahs once rarely reproduced in captivity. Today, cubs are born every year in zoos. Breeding programs have turned their luck around—but they aren’t done yet.
Image credit: Mehgan Murphy/Smithsonian Conservation Biology Institute.
Modulating the body's networks could become mainstream therapy for many health issues.
Image credit: The Feinstein Institutes for Medicine Research.
In the News
Adaptations in heart structure and function likely enabled endurance and survival in preindustrial humans.
Image courtesy of Pixabay/Skeeze.
Viscoelastic carrier fluids enhance retention of fire retardants on wildfire-prone vegetation.
Image courtesy of Jesse D. Acosta.
Water requirements may make desert bird declines more likely in a warming climate.
Image courtesy of Sean Peterson (photographer).
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Simon Dedeo and Alexander Barron discuss the rhetoric that shaped the French Revolution.
FEATURED QnAs
QnAs with NAS member and plant biologist Sheng Yang He
Image courtesy of Sheng Yang He.
