Did polar bears once roam Scotland? New fossil evidence sparks debate
New research on ancient bear fossils found in a Highland cave suggests that polar bears may have once lived in Scotland.
Scientists studying bones from...
Iron sulfides: A spark for life in Earth’s ancient hot springs?
An international team of scientists has uncovered a fascinating role for iron sulfides in the creation of life on early Earth.
Their study, published in...
Scientists create simple color-changing test to detect bacteria in fluids
A team of engineers and biochemists at McMaster University has developed a fast, easy-to-use test to detect harmful bacteria in liquids.
The test changes color...
Dinosaur poop uncovers secrets of their success
Scientists have uncovered new clues about what made dinosaurs thrive millions of years ago by studying fossilized poop!
Researchers from Uppsala University and several international...
Iron: The metal that powered early life on Earth
Scientists have long known that metals play an important role in life.
Tiny amounts of metals help living organisms perform essential tasks like breathing, copying...
Did life choose the “right hand”? New study explores early building blocks of life
Could life on Earth have taken a completely different form, based on the "handedness" of its chemical building blocks?
A new study by researchers at...
Are we alone? New model explores the odds of intelligent life in the universe
Astrophysicists from Durham University have developed a new model to estimate the likelihood of intelligent life forming in our universe—and even in hypothetical universes...
What causes the itch in mosquito bites? And why do some people get such...
Are you one of these people who loathes spending time outdoors at dusk as the weather warms and mosquitoes start biting?
Female mosquitoes need blood...
How life could live under the ice on Mars
Mars has been a fascination to us for centuries. Early observations falsely gave impressions of an intelligent civilisation but early visiting probes revealed a...
Grand Canyon rocks reveal surprising secrets of ancient life’s big bang
Geologists studying the Cambrian rocks of the Grand Canyon have uncovered exciting new insights that challenge traditional views of Earth’s ancient history.
About 500 million...