Comets from the Milky Way’s other arms helped form Earth’s continents.
Science News winds back the astronomical clock to the early days of Planet Earth, when waves of comet collisions seem to have slammed the planet’s […]
geology
SONG: Like Lava Made of Water
SONG: “Like Lava Made of Water” [Download] . ARTIST: grant. SOURCE: Science 17 Apr 2022, “Icy Volcanos on Pluto Could Be Sign of Underground Ocean,” […]
Drilling for magma.
Science reports on an Icelandic project going to a whole new level – they’re following the Krafla Volcano’s path and digging beyond the Earth’s crust […]
Science Art: Circular Twilight Halo at Sunrise (Kreisförmiger Dämmerungsschein Bei Sonnenaufgang) by Eduard Moritz Pechuël-Loesche, 1884
A soft and beautiful drawing of distant, unimaginable destruction. Eduard Moritz Pechuël-Loesche was a naturalist in Hereroland (now Namibia) when he painted this watercolor in […]
Science Art: Geologic Map of Jezero Crater and the Nili Planum Region, Mars (Scientific Investigations Map 3464), by Vivian Sun and Kathryn Stack.
Click to embiggen This is a colorful map (literally called a mosaic!) of the area where Perseverance landed, only from a little higher up. You […]
SONG: Iron in the Sky
SONG: “Iron in the Sky” [Download] ARTIST: grant. SOURCE: Based on Science News, 19 Nov 2020,
Science Art: Major John Wesley Powell’s Boat, the Emma Dean, 1871.
Click to embiggen Major John Wesley Powell was a soldier and explorer, a geologist and a professor who led the first government expedition down the […]
SONG: Adria
SONG: “Adria” [Download] . ARTIST: grant. SOURCE: Science, 6 September 2019, “Geologists uncover history of lost continent buried beneath Europe,” as used in the post […]
Science Art: Lower Bagshot Clays, Nr. Wareham, 1868
An image from an 1868 book, On the Disposition of Iron in Variegated Strata, which was the subject of a collection in the Public Domain […]
Geologists explore a lost continent hidden under Southern Europe.
Science reveals the Atlantis-like story of Greater Adria, a continent the size of Greenland that vanished 140 million years ago, not under the sea but […]
SONG: Built On Sand
SONG: “Built on Sand” [Download] . ARTIST: grant. SOURCE: Nature, 2 July 2019, “Time is running out for sand,” as used in the post “We’re […]
We’re running out of… sand?
Nature says that our need for silicon – the main substance in computer chips, as well as glass windows, bottles, and things like bricks and […]
People can sense the Earth’s magnetic field.
But can we navigate by it? Science News reports on the new finding that, like birds, humans appear to have “magnetoreception abilities,” sensing directions by […]
Giant impact crater discovered under Greenland’s ice.
Science Daily invites us to the opening chapter of an alien invasion story, as international researchers explain how they just found a 31-kilometer-wide crater from […]
Science Art: Lidar-derived digital surface and elevation models of a stream channel, by the USGS
Click to embiggen This is the earth under a stream inside a forest in Iowa, with all the trees and the water digitally removed. Or […]