Hazardous Melting Ice Could Sink Arctic Shipping
Warmer temperatures were supposed to make Arctic shipping easier. But thick floating ice created by local melting is a bigger risk than people realized.....»»
Melting Arctic sea-ice could affect global ocean circulation, study warns
The warming climate in polar regions may significantly disrupt ocean circulation patterns, a new study indicates. Scientists discovered that in the distant past, growing inflows of freshwater from melting Arctic sea-ice into the Nordic Seas likely si.....»»
A cooling shift: Slowing ocean circulation may temper Arctic temperature rise
The Arctic is warming at three to four times the global average. However, new research suggests the slowing of a key ocean current could reduce projected Arctic warming by up to 2 degrees Celsius by the end of the century......»»
US Copyright Office “frees the McFlurry,” allowing repair of ice cream machines
Soft-serve machines get a not-quite-parfait exemption to DMCA circumvention rule. Consumer advocacy group Public Knowledge today hailed a decision by the US Copyright Office to "g.....»»
Smog in Pakistan megacity ends outdoor play for schoolkids
Schoolchildren in Pakistan's second-largest city of Lahore have been banned from outdoor exercise until January because of hazardous smog levels, officials said Friday......»»
Tiny airborne particles within air pollution could be a silent killer
Long-term high ultrafine particle concentrations in New York state neighborhoods are linked to higher numbers of deaths. That is the key finding of our new research, published in the Journal of Hazardous Materials......»»
Polar bears" exposure to pathogens is increasing as their environment changes, blood samples suggest
As the Arctic warms, polar bears now face a greater risk of contracting several pathogens than bears three decades ago. Karyn Rode and Caroline Van Hemert of the U.S. Geological Survey report these findings in a new study published October 23, 2024,.....»»
Overheard: Celebrate milestones big and small to bring service shop together
"Every little thing can be celebrated — a good month [or] a troublesome car that finally leaves. Go out and buy some ice cream bars and say, 'Guys that Bronco's out of here, let's take a minute and celebrate.' When an employee goes through training.....»»
The Canadian Arctic shows that understanding the effects of climate change requires long-term vision
Embrace change, they say, or become a casualty. This adage weighed heavily on my mind during my latest research trip to the Arctic. Repeatedly, I found myself clutching the .303 caliber rifle over my shoulder—a piece of equipment I once considered.....»»
Indian capital chokes as "hazardous" air pollution returns
Acrid clouds engulfed India's capital on Wednesday as air pollution fueled by fireworks and farm stubble burning was ranked "hazardous" by monitors for the first time this winter......»»
De-extinction company provides a progress report on thylacine efforts
Stem cell editing, complete genome, and cane toad resistance mark necessary steps. Colossal, the company founded to try to restore the mammoth to the Arctic tundra, has also deci.....»»
Apple supporting national parks initiative in China, likely for two reasons
Apple is supporting a national parks initiative in China, geared to providing training and education within the field of nature conservation. The work in five of China’s national parks is being done through the China Green Carbon Sink Foundation.....»»
Polar bears are sustaining ice-related paw injuries in a warming Arctic
Polar bears in some parts of the high Arctic are developing ice buildup and related injuries to their feet, apparently due to changing sea ice conditions in a warming Arctic. While surveying the health of two polar bear populations, researchers found.....»»
A blueprint for mapping melting ice sheets: Open-source tool can help make radar systems at a fraction of the cost
Researchers in the Stanford Radio Glaciology lab use radio waves to understand rapidly changing ice sheets and their contributions to global sea-level rise. This technique has revealed groundwater beneath Greenland, the long-term impacts of extreme m.....»»
New ice core data provide insight into climate "tipping points" during the last Ice Age
A changing climate triggers a sudden shift in ocean circulation, creating weather havoc and plunging Earth into an abrupt new Ice Age......»»
Right whale population grows 4% but extinction remains a threat
One of the rarest species of whale in the world has increased slightly in population, encouraging conservationists to call on the federal government and the shipping and fishing industries to do more to bring the giant animals back from the brink of.....»»
Down in the slumps: Tracing erosion cycles in arctic permafrost
In the Arctic, landslide-like features known as mega retrogressive thaw slumps are threatening infrastructure, altering regional biogeochemistry, and emitting carbon......»»
Satellite-derived data on artificial light at night indicate rapidly increasing industrial activities in the Arctic
More than 800,000 km2 of the Arctic were affected by human activity in 2013, according to an analysis of satellite-derived data on artificial light at night. On average, 85% of the light-polluted areas are due to industrial activities rather than urb.....»»
Porsche updates 911 GT3, offers track-focused Weissach package
The upper end of the Porsche 911 lineup is getting an update — and a track-focused Weissach package. The 2025 Porsche 911 GT3 starts at $224,495 with shipping and arrives at dealerships next summer. A naturally aspirated 4.0-liter flat-six ma.....»»
Saturday Citations: Brown dwarf actually brown dwarfs; the adaptability of ice-age humans; archaeologists excited
This week, researchers discovered a near-Earth microquasar that sheds new light on sources of relativistic outflows. Doctors reported finding a triphallic gentleman. And neuroscientists reported on modest cognitive boosts from short (or "acute," in c.....»»
Scientists untangle the challenging complexities of radiocarbon in ice cores
ANSTO scientists, Dr. Andrew Smith, Dr. Quan Hua and Dr. Bin Yang have contributed to a paper that elucidates how in situ cosmogenic radiocarbon (14C) is produced, retained and lost in the top layer of compacting snow (the "firn layer") and the shall.....»»