Science How to filter sediment from muddy water with a paper towel and some cups Popkin

Nature Survivalist answers survival questions from Twitter Popkin

australia Australian sailor and his dog rescued after months lost at sea Rusty Blazenhoff

rescues Four children, aged 13, 9, 4, and 1, rescued after 40 days alone in Colombian rainforest. Ruben Bolling

Antarctica IT worker stationed at South Pole takes photos of the last egg they'll have for five months. Mark Frauenfelder

moon How to build a cryogenic Ark that could survive inside of lunar lava tubes Thom Dunn

snow Stranded in the snowy wilderness? Here's how to survive David Pescovitz

survival Catching up with the Primitive Technology channel Gareth Branwyn

survival Retired Navy SEAL explains how to prepare for dangerous situations Mark Frauenfelder

tools My Zippo axe is a multi-tool Jason Weisberger

survival Stormproof survival matches light in awful weather Jason Weisberger

Kids Guys build connected treehouses using just bamboo and thatch Andrea James

Food The main man for survivalist chow and prepper food David Pescovitz

Games Tempest, a brutal island-survival roguelite Rob Beschizza

amazon Monkeys helped man who mysteriously vanished in the Bolivian Amazon David Pescovitz

DIY Primitive Technology: Turn on the closed captions! Gareth Branwyn

architecture Luxury nuclear bunkers in Kansas David Pescovitz

architecture Survive the coming apocalypse inside a big pipe buried underground David Pescovitz

airlines RIP Vesna Vulović, survived 44 years after 33,000-foot fall Andrea James

video How to bust a coconut open like a boss Andrea James