Thursday , 22 June 2017

Science

All Life Uses Same Amount of Energy Relative To Size

No matter whether you’re talking the size of elephants or the size of bacteria, a new study proposes that, pound for pound, all living things’ at-rest metabolisms use similar amounts of energy. Though living things vary greatly in complexity and size, their energy usage falls between 3 and 90 watts per kilogram of biomass. For comparison, a MacBook Pro is ... Read More »

Baby Whales Talk to Mom

Researchers say they have shown for the first time that humpback whale calves make sounds. The nonprofit Cetos Research Organization, treat which studied humpbacks off Maui and Kauai, physician say the grunts and squeals emitted by the young whales are messages for their mothers. Ann Zoidis, visit this site director of the research project, said the sounds may be expressions ... Read More »

Awsome close ups!

Zoology: Shark skin (acanthias acanthias). Scales from the skin of a shark. These sharply pointed placoid scales are also known as dermal teeth or denticles. They give the shark’s skin the feel of sandpaper. The tip of each scale is made of dentine overlayed with dental enamel. The lower part of each scale, which anchors it into the skin, is ... Read More »

Scientists: Most Polar Bears Dead By 2050

More than two-thirds of the world’s polar bears will be killed off by 2050 – including the entire population in Alaska – because of thinning sea ice from global warming in the Arctic, government scientists forecast Friday. The agency projects that polar bears during that time will lose 42 percent of the Arctic range they need to live in during ... Read More »