cool

This Cool New Imaging Technique Shows Blood Vessels Like Never Before

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Blood vessels are pretty important when it comes to the healthy functioning of the body, and researchers and health professionals need to know as much as possible about where these tiny transport channels are going.   A newly developed 3D visualization technique should help. It’s called VascuViz, and it uses a quick-setting polymer mixture that … Read more

Tonga volcano eruption unlikely to cool Earth, study confirms

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The Hunga Tonga volcanic eruption that shook the South Pacific Ocean in January will not affect Earth’s climate despite sending clouds of ash dozens of miles high into the atmosphere, a new study confirmed.  Powerful volcanic eruptions, such as the one that ripped apart the uninhabited Polynesian island of Hunga Tonga-Hunga Ha’apai on Jan. 15, … Read more

Coral reefs: Cool water refuges will disappear with 2°C of global warming

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Cooler regions of the sea that protect coral reefs will be virtually wiped out by the end of this century, even under optimistic climate change scenarios Life 1 February 2022 By Carissa Wong A bleached coral reef Rainer von Brandis/Getty Images Cooler regions of the sea provide safe havens for coral reefs by protecting them … Read more

Astronomers Discovery a Brand New Type of Nebula, And It’s Very Cool

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Most Universe Today readers are familiar with nebulae. They’re gaseous structures lit up with radiation from nearby stars, and they’re some of nature’s most beautiful forms. With the help of amateur astronomers who laid the groundwork, an international team of astronomers has discovered a new type of nebulae around binary stars that they’re calling galactic … Read more

James Webb Space Telescope deploys radiator to keep cool

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NASA’s new high-tech, low-temp observatory observatory is one step closer to gathering some cool science. The James Webb Space Telescope launched on Dec. 25 and has spent its time in space so far executing a complicated sequence of deployments to unfold the telescope to its final configuration. On Thursday (Jan. 6), the mission team notched … Read more

To draw down carbon and cool off the planet, ocean fertilization gets another look | Science

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In January 2009, a German research ship set out for the Southern Ocean carrying 6 tons of iron and a boatload of controversy. The iron was meant to trigger a massive phytoplankton bloom that would suck carbon dioxide (CO2) from the air, but environmentalists objected, viewing the trial as a reckless form of geoengineering. The … Read more

Birds feathers: Migratory species may have paler plumage to help them keep cool

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Overheating is a serious issue for birds flying long distances, and paler plumage that reflects more of the sun’s heat may be one of the ways they cope Life 6 December 2021 By Michael Le Page Migrating snow geese at a misty lake in Pennsylvania Delmas Lehman/Shutterstock A study of nearly all of the 10,000 … Read more

Drought: Plants prioritise keeping their flowers cool during hot, dry weather

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Under heat and water stress, plants sacrifice their leaves to keep their sexual organs cool – a strategy that we could harness to protect crops from climate change   Life 10 December 2021 By Richard Kemeny A field of soya bean plants Shutterstock / kuludi In hot, dry weather, plants sacrifice their leaves to … Read more