Sea creatures store carbon in the ocean – could protecting them help slow climate change?

Heidi Pearson, University of Alaska Southeast As the prospect of catastrophic effects from climate change becomes increasingly likely, a search is on for innovative ways to reduce the risks. One potentially powerful and low-cost strategy is to recognize and protect natural carbon sinks – places and processes that store carbon, keeping it out of Earth’s […]

How big is the blue whale? Watch to see

The blue whale (scientific name: Balaenoptera musculus) is a marine mammal belonging to the baleen whales (Mysticeti). Up to 31 meters (102 feet) in length and 190 tonnes (210 short tons) in weight, it is the largest extant animal and also is the heaviest known to have existed. But it’s hard to conceptualize how big […]

Largest prehistoric mammals

After the extinction of the dinosaurs, approximately 66 million years ago, the rise of mammals has begun. There were mammals on earth before that date, but after the Cretaceous-Paleogene (K-Pg) extinction event (a mass extinction of some three-quarters of the plant and animal species on Earth, including all non-avian dinosaurs), mammals took over the medium- […]