A new venomous British snake? Why there's no need to panic

Great Britain has long been thought to be home to a single venomous snake species, the adder. Although its bites are rarely life-threatening, they require a trip to the emergency department and will more than likely ruin ...

Sharks can hear sounds nearly 250 feet away and find the source

Sound travels through the ocean carrying clues about potential prey, predators and other animals, giving sharks an important way to detect what they cannot yet see. But exactly how far a free-swimming shark can hear a sound—and ...

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