Uncategorized
- Astronomy
No long, twisted tail trails the solar system
The bubble that envelops the planets and other material in the solar system does not have a tail, new observations show.
- Physics
Gamma-ray evidence for dark matter weakens
Excess gamma rays are still unexplained, but they might not come from dark matter.
- Anthropology
Ötzi the Iceman froze to death
Copper Age Iceman froze to death, with shoulder and head damage.
- Particle Physics
Collider data hint at unexpected new subatomic particles
A set of particle decay measurements could be evidence for new physics.
- Life
Immune cells play surprising role in steady heartbeat
Immune system cells called macrophages help heart cells rhythmically contract, maintaining the beat of mice’s hearts.
- Earth
50 years ago, continental drift began to gain acceptance
Half a century later, plate tectonics is well-established but still an active field of research.
- Climate
Plot twist in methane mystery blames chemistry, not emissions, for recent rise
The recent rise in atmospheric methane concentrations may have been caused by changes in atmospheric chemistry, not increased emissions from human activities, two new studies suggest.
- Oceans
The Arctic is a final garbage dump for ocean plastic
Ocean currents dump plastic garbage from the North Atlantic into previously pristine Arctic waters, new research shows.
- Neuroscience
Brain gains seen in elderly mice injected with human umbilical cord plasma
Plasma from human umbilical cord blood refreshes aspects of learning and memory in mice.
- Particle Physics
Scientists find amazement in what’s most familiar
Acting Editor in Chief Elizabeth Quill discusses the unexpected nature of science.
- Animals
Readers bugged by wine-spoiling stinkbugs
Stinkbug hazards, Great Lakes invaders and more reader feedback.
- Animals
Venomous fish have evolved many ways to inflict pain
Fish venom shows great diversity and is being studied to treat pain, cancer and other diseases.
