Latest Jeremy Shakun Stories
Researcher helps paint the fullest picture yet of how increases in CO2 helped end the ice age Harvard scientists are helping to paint the fullest picture yet of how a handful of factors, particularly world-wide increases in atmospheric carbon dioxide, combined to end the last ice age approximately 20,000 to 10,000 years ago. As described in a paper published April 5 in Nature, researchers compiled ice and sedimentary core samples collected from dozens of locations around the world, and...
A new study published in the journal Nature provides evidence that rising carbon dioxide levels brought an end to the last Ice Age. The researchers analyzed prehistoric global warming and found that permafrost released massive amounts of carbon dioxide that was stored in frozen soil in Polar Regions. This resulted in climate change and increased global temperatures and ocean acidifications, ending the Ice Age. Lead author Jeremy Shakun said the key to understanding the role of carbon...
- Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
- Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
- Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
- A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.