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Plants & Animals Apr 18, 2026

How poison frogs built a chemical weapons system one evolutionary step at a time

Poison frogs are small and brightly colored amphibians that originate from Central and South America. As suggested by their name, these frogs can release highly toxic chemicals from their skin, which deter and neutralize ...

Ecology Apr 15, 2026

Nature might have a universal rhythm

Animal communication can look wildly different—flashing lights, chirping calls, croaking songs and elaborate dances. But new research from Northwestern University suggests many of these signals share a surprising feature: ...

Environment Apr 10, 2026

Five warning signs that rivers are polluted—even when they look clean

After months of relentlessly miserable weather for most of the UK, spring brings renewed enthusiasm for spending time outdoors hiking, wild swimming, paddling, or on walks.

Plants & Animals Apr 9, 2026

Oxygen sensing helps explain why amphibians regenerate limbs but mammals cannot

Some animals can regrow lost body parts. Salamanders and frog tadpoles can rebuild entire limbs after amputation. Mammals cannot. For decades, biologists have tried to understand why. Now a team led by Can Aztekin at EPFL ...

Plants & Animals Apr 8, 2026

Ecuador study finds tropical rainforest biodiversity rebounds over 90% in 30 years

Tropical rainforests are home to almost two-thirds of all vertebrate species and three-quarters of all tree species: they are the most species-rich terrestrial ecosystem on Earth. However, over half of these diverse rainforests ...

Plants & Animals Apr 8, 2026

New glassfrog species named for first Ecuadorian woman to win a gold medal

Researchers have discovered a new species of glassfrog in Ecuador—the Dajomes glassfrog—named after Neisi Dajomes, the first Ecuadorian woman to receive an Olympic gold medal, which she won in Tokyo 2020 in women's 76 kg ...

Evolution Apr 7, 2026

African frogs haven't forgotten the ice ages. Scientists can tell by where they live.

Why are frogs diverse in some parts of Africa's rainforests and less so in others? The patterns of cooling and glaciation during the last ice age would probably not have been your first answer or even your last-ditch guess, ...

Plants & Animals Apr 3, 2026

Bumblebees can perceive rhythm, despite their brains being the size of a sesame seed

Humans are creatures of rhythms. As far as we know, humans have always sung and always danced. We can recognize a song by its rhythm alone, regardless of whether it is played fast or slow.

Ecology Apr 2, 2026

Want to be a citizen scientist? Here are five ways to get involved

Ever wondered what it might feel like to spot giant spider crabs while you're snorkeling? Or check plants for the circular holes that indicate native bees are collecting nest materials? Citizen science relies on people like ...

Plants & Animals Apr 2, 2026

Tiny frogs prefer concrete apartments over wooden shelters

James Cook University researchers have tested frog housing and nursery preferences in the Wet Tropics rainforest of North Queensland, with frogs finding the thermal regulation of concrete shelters to be the perfect tropical ...

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