A new study suggests that spring snowmelt in the Alps is occurring earlier in the year, and the earlier warming – due to climate change – threatens vitally important microbial communities in Alpine soils. Source: https://earthsky.org/earth/alps-climate-change-driven-snowmelt-abrupt-seasonal-change…
Tag: cold
Gulf Stream at its weakest in over 1,000 years
A new study suggests that the Gulf Stream – an Atlantic Ocean current that plays a large role in shaping Earth’s weather patterns – is weaker now than at any point in the last 1,000 years. Source: https://earthsky.org/earth/gulf-stream-atlantic-weakest-in-over-1000-years…
World’s oldest DNA sheds light on mammoth evolution
A mammoth tooth uncovered from the Siberian permafrost yields the oldest DNA yet discovered and provides insight into the evolution of the giant beasts. Source: https://earthsky.org/earth/worlds-oldest-dna-mammoth-evolution-video…
Alligators in Oklahoma turn into ‘popsicles’ sticking out of the frozen water
Alligators often ‘snorkel’ during cold snaps, so they don’t become trapped underwater without access to air. Source: https://www.livescience.com/snorkeling-alligators-oklahoma.html
What’s the coldest Earth has ever been?
Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions. Source: https://earthsky.org/earth/whats-coldest-earth-has-ever-been…
James Webb Space Telescope – Hubble’s successor – to launch in October
The James Webb Space Telescope is the world’s most complex infrared telescope, built for a wide range of research projects. NASA is now targeting October 31 for its launch on an Ariane 5 rocket from French Guiana. Source: https://earthsky.org/space/james-webb-telescope-hubble-successor-to-launch…
Why do deserts get so cold at night?
Desert temperatures can fluctuate greatly between day and night, due to the poor heat-retaining properties of sand and a lack of humidity. Source: https://www.livescience.com/why-do-deserts-get-cold-at-night.html
Images of shadows cast by jet contrails
Jet contrail shadows may appear to be cast by a low-altitude bright light shining upwards. In fact, this shadow is normally cast on clouds below the jet and its contrail. Source: https://earthsky.org/todays-image/jet-contrail-casts-a-shadow…
Pfizer-BioNTech’s COVID-19 Vaccine Just Got a Lot Easier to Distribute
Pfizer and BioNTech “have asked the U.S. health regulator to relax requirements for their COVID-19 vaccine to be stored at ultra-low temperatures, potentially allowing it to be kept in pharmacy freezers,” reports Reuters, which adds that approval “could send a strong signal to other regulators around the world that may ease distribution of the shot in lower-income countries.” Slashdot reader FrankOVD…
Texas Was ‘Seconds and Minutes’ Away From Catastrophic Monthslong Blackouts, Officials Say
Texas’ power grid was “seconds and minutes” away from a catastrophic failure that could have left Texans in the dark for months, officials with the entity that operates the grid said yesterday. Texas Tribune reports: As millions of customers throughout the state begin to have power restored after days of massive blackouts, officials with the Electric Reliability Council of Texas, or…