Science
Venomous snakes are more likely to stand out than hide
A study of more than 450 species found that venomous snakes contrast more with their surroundings, often in red and yellow.
Topic
evolution
All stories tagged “evolution.”
2 stories
Science
Animals may be 200 million years older than their oldest fossils
A new molecular clock analysis puts the first animals at 800 to 700 million years ago. A well-preserved fossil site in Mongolia helped explain the gap.