When There Were Squid Shells
Ancient squid had shells, but now they don’t. How did that happen and why? Find out in this video about squid shells, from PBS Eons.
Tag: evolution
Cooking, Evolution, and Brain Growth
Cooking establishes the difference between animals and people. In fact, we’re not the only social animals that sit down to…
Why Do Humans Have Thumbs and Not Fins?
Did you know we can trace the evolution of our hands, and thumbs, back to a 375 million-year-old fish called…
Vadasaurus Fossil Shows a Reptile in Transition
A small Vadasaurus fossil reveals how some land-dwelling reptiles moved back into the water. Find out more and meet its modern relatives.
Ongoing Human Evolution Revealed in Data
A research team at Columbia University has conducted a large-scale study of ongoing human evolution. Genetic data reveals how humans…
Microfossils Are Earliest Evidence Yet of Life on Earth
By Katherine Lindemann Researchers examining deposits from ancient hydrothermal vents in northeastern Canada have found evidence of microbial activity, possibly…
Which Dinosaur Gave Rise to Tyrannosaurus Rex?
What dinosaur was the ancestor of the mighty Tyrannosaurus rex? Which dinosaur gave rise to this famous lineage?
Book Review: God’s Word or Human Reason?
The authors of God’s Word or Human Reason tackle a very difficult subject with the specific goal of taking creationist arguments seriously.
DNA Analysis Reveals Four Distinct Giraffe Species
By Katherine Lindemann Researchers have long recognized only a single species of giraffe, thought to be made up of several…
How Did Snakes Lose Their Legs?
How did snakes lose their legs? A fresh clue as to how and why has been found deep in an ancient snake’s inner ear.