Antarctica on Snackable Yarn

Scientists Solve Antarctica's Blood Falls Mystery After 112 Years

Fri, 27 Feb 2026 11:25:35 +0000

What Happened

In a breakthrough study published in 2023, Johns Hopkins University scientist Ken Livi used advanced electron microscopy to identify the final piece of Antarctica’s Blood Falls puzzle. The research revealed that nanospheres—iron-rich particles 100 times smaller than human blood cells—are responsible for the waterfall’s shocking crimson appearance.

These microscopic spheres form when ancient, iron-rich saltwater trapped beneath 400 meters of glacier ice comes into contact with oxygen-rich air. The instant oxidation process creates what appears to be fresh blood flowing from the glacier, but is actually an extraordinary chemical reaction millions of years in the making.

Neuroscientist's Antarctica Trip Destroys Her Identity

Tue, 24 Feb 2026 11:41:44 +0000

What Happened

Daniela Hernandez, a science journalist with a PhD in neuroscience from Columbia University, made two reporting trips to Antarctica while working for The Wall Street Journal and Wired magazine. During these assignments to cover stories in one of Earth’s most remote environments, something unexpected occurred: the isolation and vastness of the continent triggered a profound personal reckoning.

“When I went to Antarctica, I thought of myself as this confident, self-reliant person,” Hernandez explains. “And I found out that was mostly a mask.” The transformation wasn’t intentional—she describes it as a surprise, noting that “surprise is a really good learning tool.”