Search Results for: Polar Bears
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581 results
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The Great White Bear: A Natural and Unnatural History of the Polar Bear by Kieran Mulvaney
Starting with the fact that polar bears have black skin, this book offers surprises and up-to-date information about the Arctic’s iconic top predator. Houghton Mifflin Harcourt, 2011, 251 p., $26.
- Earth
Climate action could save polar bears
Cutting fossil fuel emissions soon would retain enough sea ice habitat for threatened species, scientists say.
- Earth
Carbonation brings diamonds to surface
Chemical reactions deep inside the Earth fuel magma’s gem-laden upward journey.
- Earth
Earth & Environment
Climate change brings a thirstier West and thinner polar bears, plus parsing the sun and moon's effects in this week's news.
- Chemistry
Molecules/Matter & Energy
Sticky graphene, dried-up coffee, a panda pregnancy test and more in this week’s news.
- Humans
Sarah’s tale of Arctic warming
Over a half-century or so, Sarah James' town of some 150 Athabascan Indians has watched as the formerly extreme but fairly predictable climate in this amazingly remote region of inland Alaska has become warmer and more erratic. Overall, that’s definitely not been a change for the better, she says. James ventured to South Florida this week — and the Society of Environmental Journalists’ annual meeting — to describe what it’s like to weather life on the frontlines of climate change.
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Venus Unveiled
Spacecraft finds Earthy features on sister planet.
- Paleontology
Ancient DNA suggests polar bears evolved recently
A study of a rare Norwegian fossil narrows down when polar bears evolved and finds they are closely related to modern-day brown bears in Alaska.
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On Thin Ice: The Changing World of the Polar Bear by Richard Ellis
The natural history of polar bears entwines with human history in this science writer’s ode to the world’s largest land carnivore. ON THIN ICE: THE CHANGING WORLD OF THE POLAR BEAR BY RICHARD ELLIS Alfred A. Knopf, 2009, 400 p., $28.95.
- Humans
Climate researcher speaks out
BLOG: Michael Mann says scientists have lost control of the public message about climate change, Alexandra Witze reports from the Council for the Advancement of Science Writing meeting.
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2010 Science News of the Year: Genes & Cells
Credit: © Joe McNally/reconstruction by Kennis and Kennis Gene sequencing for all, even Neandertals An unprecedented picture of life’s diversity is emerging as researchers publish the full genetic instruction books of a growing list of species — including one that has been extinct for more than 30,000 years. A project sequencing Neandertal DNA harvested from […]
- Animals
Controversial polar bear rule stands
Creature’s plight remains separate from decisions on greenhouse gas emissions.
