Why do we harvest horseshoe crab blood? – Elizabeth Cox

During the warmer months, especially at night during the full moon, horseshoe crabs emerge from the sea to spawn. Waiting for them are teams of lab workers, who capture the horseshoe crabs by the hundreds of thousands, take them to labs, harvest their cerulean blood, then return them to the sea. Why? Elizabeth Cox illuminates the incredible properties of horseshoe crab blood.

Dog Retirement Home | Silver Muzzle Cottage // 60 Second Docs

In Elk Rapids, Kim Skarritt runs the Silver Muzzle Cottage, Michigan’s only dog hospice. Many of the dogs there were lifelong pets who’ve since been abandoned. So far, she’s taken in 93 rescue dogs, some even near death. Despite their circumstances, her team works overtime to make up the love and care these dogs deserve. And once a week, the canines visit human seniors in their own retirement home — sharing yet more unconditional love with another community that needs more of it.

The amazing ways plants defend themselves – Valentin Hammoudi

Plants are constantly under attack. They face threats ranging from microscopic fungi to small herbivores like caterpillars, up to large herbivores like elephants. But plants are ready, with a whole series of internal and external defenses that make them a less appealing meal — or even a deadly one. Valentin Hammoudi explains some of the fascinating ways that plants defend themselves.