Erin D

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Mystery of why millions of star fish dissolved into goo off Pacific coast solved

VANCOUVER — Scientists have cracked the mystery of what has killed millions of sea stars in waters off the Pacific coast, from British Columbia to …

Conservationists appalled after Ottawa raises Atlantic bluefin tuna quota

Canada has successfully persuaded the international community to increase the number of bluefin tuna that may be caught in the western Atlantic even as Ottawa sits on a recommendation to have the giant fish declared an endangered species.<p>The decision has confounded conservationists who accuse the …

Conservation

Armored Fish Pioneered Sex As You Know It

Fossils suggest that long before birds and bees, vertebrates used internal fertilization.<p><b>Hundreds of millions of years before there were birds or bees, fish were pioneering the earliest known form of vertebrate sex, paleontologists report Tuesday in Nature.</b><p>The armor-coated swimmers, called …

Dinosaurs

Why It's Crucial to Get More Women Into Science

Amid growing signs that gender bias has affected research outcomes and damaged women's health, there’s a new push to make science more relevant to them.<p><i>This story was updated on January 21, 2015, to include a video of the author addressing the Rosalind Franklin Society, a women's leadership group,</i> …

Women in Science

First Amphibious "Sea Monster" Found; Fills Evolutionary Gap

Cartorhynchus lenticarpus's body was adapted to live in two worlds.<p>A new species of dinosaur-era sea reptile that could live on both land and in water has been unearthed in China—the first amphibious "sea monster" ever found.<p>The ichthyosaur, whose discovery was announced Wednesday, fills a crucial …

Paleontology

Gabon Announces World's Newest Underwater Reserve, Rich in Threatened Wildlife

The newly protected area is home to great hammerhead sharks, manta rays, and whale sharks.<p>SYDNEY—The central African nation of Gabon this week declared almost a quarter of its territorial sea off-limits to commercial fishing, creating a first-of-its-kind network of marine protected areas in the …

Conservation

Male Tilapia Use Pee to Attract Females; Could It Help Fish Farms?

Urine of dominant male fish contains a pheromone that draws in females.<p>Urine may not get most species in the mood, but a pheromone in male tilapia urine serves to attract mates, a new study says.<p>The research may improve how tilapia—the second most farmed fish in the world—is raised and managed for …

Aquaponics

New "Bat Frog" Found in Amazon, Named for Ozzy Osbourne

Dendropsophus ozzyi males make high-pitched, batlike calls.<p>Holy Batfrog! Scientists have discovered a new tree frog species with a shrill, batlike call in the Brazilian Amazon.<p>"As soon as I heard its call, I knew it was a new species. I had never heard anything like it," said Pedro Peloso, one of …

Zoology

5 of Nature's Wildest Animal Showdowns

Octopuses that tear off tentacles and crustaceans with a punch like a bullet are featured in a new book.<p>Animals fighting usually makes people think of two majestic elk, antlers locked in battle, or possibly a pair of male lions, bloodstained with teeth bared.<p>But conflict in the natural world goes …

Nature