Résultats pour "Hero" dans Nature

On January 28, 1886 the space shuttle Challenger exploded just 73 seconds after lift-off. This unexpected disaster took the lives of seven people.

Newly reintroduced along with his pack to Yellowstone National Park, Wolf 8 struggles at first. Small and bullied by his siblings, he must learn to fend for himself in his new home, learning to hunt, compete for food, and even stand up to a grizzly bear 10 times his size. One day, little 8 meets an alpha female raising a litter of pups on her own. Her mate was killed by humans. Can little 8 rise to the occasion and help the young family survive? Is he ready to be an alpha wolf?

In Elkhorn Slough, an inlet on the California coast, seagrass grows healthy and strong in the shallow water. This healthy seagrass baffled marine biologist Brent Hughes. The scientist expected this estuary to be overrun with algae, causing the seagrass to die. Why was the seagrass thriving? As Brent investigated, signs pointed to an unexpected player helping to keep the seagrass healthy: sea otters! What do these top predators have to do with an aquatic grass at the opposite end of the food chain?