Life
- Animals
Endangered green sea turtles may be making a comeback in the U.S. Pacific
The numbers of green sea turtles spotted around Hawaii, American Samoa and the Mariana Islands have increased in the last decade.
- Genetics
A lack of circular RNAs may trigger lupus
Researchers close in on how low levels of a kind of RNA may trigger lupus — offering hope for future treatments for the autoimmune disease.
- Microbes
A global survey finds that the Arctic Ocean is a hot spot for viruses
Scientists mapped virus diversity around the world’s oceans. That knowledge may be key to making better climate simulations.
- Genetics
A marine parasite’s mitochondria lack DNA but still churn out energy
Missing mitochondrial DNA inside a parasitic marine microbe turned up inside the organism’s nucleus.
- Health & Medicine
A neural implant can translate brain activity into sentences
With electrodes in the brain, scientists translated neural signals into speech, which could someday help the speechless speak.
- Life
See beautiful fossils from top Cambrian sites around the world
Troves of Cambrian fossils are known at more than 50 places around the world. Here are five standout spots.
- Life
‘An Elegant Defense’ explores the immune system’s softer side
The lives of four people helped or harmed by their body’s natural defenses illustrate why immunology has become one of the hottest fields in science.
- Planetary Science
Readers ponder Opportunity’s future, animal consciousness and more
Readers had questions about NASA’s Opportunity rover, pollen shapes and more.
- Psychology
When anxiety happens as early as preschool, treatments can help
Researchers are seeking ways to break the link between preschool worries and adult anxiety.
- Animals
A scientist used chalk in a box to show that bats use sunsets to migrate
A new device for investigating bat migration suggests that the flying mammals orient themselves by the setting sun.
- Neuroscience
The herbal supplement kratom comes with risks
The supplement kratom can cause heart racing and agitation.
- Genetics
A genetic scorecard could predict your risk of being obese
A genetic score predicts who is at risk of severe obesity, but experts say lifestyle matters more than genes.
