These animals were once so ubiquitous that their presence is now often used to demarcate specific geologic time periods in the fossil record. What were the ammonites, and how did the planet get so many of them?
Related Posts
As climate change warms rivers, they are running out of breath – and so could the plants and animals they harbor
The Potomac River spills over Great Falls west of Washington, D.C.. Marli Miller/UCG/Universal Images Group via Getty Images…
Is There Any End to Our “Cow Emissions” Problem? (And Can Seaweed Help?)
With approximately 1.5 billion cows on Earth, one for every five people, their contribution to climate change through…
Neanderthals died out 40,000 years ago, but there has never been more of their DNA on Earth
Artist: Tom Björklund / Moesgård Museum, Author provided Peter C. Kjærgaard, University of Copenhagen; Mark Maslin, UCL, and…
These fierce, tiny marsupials drop dead after lengthy sex fests – and sometimes become cannibals
Andrew M. Baker, Queensland University of Technology If you are exploring our beautiful Australian wilderness this year, keep…