Life
- Genetics
Early Polynesians didn’t go to Americas, chicken DNA hints
Contamination of ancient chicken DNA may explain previous report linking Polynesians to South America.
- Genetics
Giant moa thrived before people reached New Zealand
Humans probably caused the extinction of giant wingless birds called moa in New Zealand, DNA evidence suggests.
- Animals
How to count a sea turtle
Trends, not absolute numbers, matter more when it comes to conservation efforts for sea turtles.
- Plants
Moss still grows after 1,500-year deep freeze
After incubating slices of moss that have been frozen for 1,500 years, the plants began to grow again.
- Ecosystems
Do your bit for bumblebees
The Xerces Society for Invertebrate Conservation and its partners have launched the Bumble Bee Watch website to track sightings. When you see a bee bumbling around, snap a photo.
- Life
The Monkey’s Voyage
By 26 million years ago, the ancestors of today’s New World monkeys had arrived in South America. How those primates reached the continent is something of a conundrum.
- Animals
There’s plenty of bling in the natural world
Beetles that look like solid gold are just the start to jewel-like and metallic looks in nature.
- Life
Protein linked to motor nerve cells being fast or slow
The protein, Delta-like homolog 1, is made in 30 percent of motor neurons and helps to determine at which speed the cells work, research shows.
- Animals
Amphibian diseases flow through animal trade
Discovery of chytrid fungus and ranaviruses in frogs and toads exported from Hong Kong shows how pathogens may spread.
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- Animals
Sing a song of bird phylogeny
A new study challenges assumptions about birdsong, finding that the majority of songbird species have female singers.
- Health & Medicine
Imbalance in gut bacteria may play role in Crohn’s disease
Identifying the onset of Crohn’s disease may best be done by looking at bacteria in the cellular linings intestinal tissue.
