If you've ever sung karaoke, you're aware that the vocal range of most humans is pretty limited - three octaves maybe, maybe four or five if you're really good, like Mariah Carey. But even Mariah ...

Turns out, bats and death metal singers have more in common than you'd think — and no, it's not just a love of the dark. Bats have a soaring vocal range — from super-high-pitched clicks outside the ...

Only 7% of LAist readers currently donate to fund our journalism. Help raise that number, so our nonprofit newsroom stays strong in the face of federal cuts. Donate now. If you've ever sung karaoke, ...

Bats have an impressive vocal range of up to seven octaves. To make their low-frequency calls, researchers say bats use the same trick as death metal growlers and throat singers. If you've ever sung ...