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Plants & Animals

Polar bears and 50 other species threatened by climate change

10 reasons online mental health therapy has grown over the last decade

Female psychologist sitting in home office on video call with patient

Plants & Animals

Monarch butterflies have reached endangered status. But it's not all bad news.

A monarch butterfly rests upon a pink flower

States with the highest stroke death rate

Paramedic helps patient on a stretcher get loaded into an ambulance.

World's happiest countries

Friends on terrace

Plants & Animals

30 animals thriving in extreme environments

Plants & Animals

From single cells to fully grown adults: human development in 20 steps

Plants & Animals

30 ecosystems at risk and the endangered species that live there

Plants & Animals

Origins of 30 scientific concepts you learned in school

Plants & Animals

Australia's fires have already killed 1 billion animals—unpacking the tragedy through statistics

Plants & Animals

Why do giraffes have long necks? Answers to 25 animal evolution questions

Plants & Animals

From sloths to clownfish: 20 examples of teamwork across the animal kingdom

Plants & Animals

Penguins: 25 fascinating facts about these flightless friends

Plants & Animals

Endangered penguins of the world: Why they're threatened and how to help

Plants & Animals

Quiz: Do you know your state insect?