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Antarctica's Blood Falls: iron, not blood

Original: Antarctica has a waterfall that bleeds. Blood Falls pours from the Taylor Glacier — but the red is not blood. It is iron

Blood Falls, a striking red waterfall flowing from the Taylor Glacier in Antarctica, is drawing renewed attention. The colour comes not from blood but from iron-rich brine trapped beneath the ice for over a million years, which rusts on contact with air. Scientists have also found microbes living inside the subglacial water, making it a subject of fascination for both researchers and the public.

Why now: Curiosity about the dramatic red waterfall and its unusual microbial life keeps it a popular science topic

Blood FallsTaylor GlacierAntarctica

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• Antarctica has a waterfall that bleeds. Blood Falls pours from the Taylor Glacier — but the red is not blood. It is iron-rich brine, sealed beneath the ice for over a million years, rusting the moment it touches air. The wildest part? Scientists found microbes living inside… · eatrics · 6

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