From Molecules to Organisms: Structures and Processes
- Planets
Planets on the Edge
The discovery of a strange, planetlike object beyond Pluto adds to the puzzle of how the solar system formed.
- Genetics
A butterfly’s new green glow
Scientists have tweaked a butterfly's genes to make its eyes glow green.
- Health & Medicine
Building a food pyramid
Experts are trying to work out new rules on which foods to eat and which ones to avoid.
- Genetics
Animal clones: Double trouble?
From agriculture to medicine to law, animal cloning to create genetic twins could change our lives.
- Animals
A bowerbird’s guide to style
To attract a mate, male bowerbirds go for a cheaper, low-key look instead of showy decorations.
- Brain
Brain signals attention disorder
Children with attention disorders appear to have less tissue in certain parts of their brain.
- Fossils
A really big (but extinct) rodent
A rodent about the size of a bison once roamed the riverbanks of ancient Venezuela.
- Genetics
A DNA Clue to Reading Troubles
Scientists have identified a gene involved in a learning disorder called dyslexia.
- Genetics
Baby swaps, crime scenes, and DNA testing
By looking at animal DNA, investigators are solving crimes and conservationists are helping save endangered species.
- Humans
A human migration fueled by dung?
When people crossed from Asia to the Americas thousands of years ago, burning dung may have kept them warm.
- Health & Medicine
A framework for growing bone
A promising new material could help encourage damaged or broken bones to grow back.
- Animals
Childhood chills give bees six left feet
If the bees are raised in cold temperatures, their dancing skills seem to go down the drain.
