Life
- Life
Misread epigenetic signals play role in leukemia
A genetic mistake causes misinterpretation of epigenetic marks, leading to cancer.
- Animals
Controversial polar bear rule stands
Creature’s plight remains separate from decisions on greenhouse gas emissions.
By Susan Milius - Archaeology
Biocides inducing resistance in Lascaux cave’s microbes
Study makes researchers wonder whether they should treat fungus or not.
By Sid Perkins - Life
Suppress-the-mob gene found in queen termites
Gene may help keep workers from illicit, royalty-threatening reproduction.
By Susan Milius - Animals
Basking sharks head south for winter
Satellite-tagging data suggest that basking sharks migrate south to the Caribbean in winter.
- Earth
U.S. radiation dose has doubled
New analysis finds radiation-based medical procedures have skyrocketed.
By Janet Raloff - Life
Portuguese trove of trilobite fossils
Fossils include largest known trilobite specimen and groups of the ancient arthropods caught in the act of molting and spawning.
By Sid Perkins - Earth
Report of earlier, longer puberty in girls
A Danish study finds young girls are entering puberty notably earlier than 15 years ago — for reasons that remain unknown.
By Janet Raloff - Health & Medicine
Narcolepsy linked to immune system
Genome association study finds a second connection between the sleep disorder and the body's disease-fighting apparatus
- Life
Ants may be the Undead
Living Argentine ant workers may carry the chemical signatures of death along with an override signal that says, "No undertaker needed yet."
By Susan Milius - Paleontology
Soft tissue from a dino fossil
Researchers have uncovered soft tissue and fragments of several proteins from a hadrosaur.
By Sid Perkins - Life
Expansive genetic diversity in Africa revealed
Largest genetic study of African populations yields clues about the origin of modern humans and the ancestry of African-Americans