Latest Hal Caswell Stories
In less than 100 years, global warming’s impact on the sea ice where emperor penguins breed will result in the loss of at least one-fifth of the species’ population, according to new research appearing in the June 29 edition of the journal Nature Climate Change.
Immortalized by the blockbuster 2005 movie â€œMarch of the Penguins,â€ the emperor penguin is in grave danger of becoming extinct before the end of the century, say Woods Hole Oceanographic Institution (WHOI) researchers.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.