News
- Physics
Physicists get B in antimatter studies
New observations that subatomic particles called B mesons decay differently from their antimatter versions may help explain why the universe is made almost entirely of matter, not antimatter.
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Quoll male die-off doesn’t fit pattern
Males of a ferretlike marsupial called a quoll die off after one mating season-unusual behavior that suggests the need for new theories of why such deaths occur after mating.
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Stick insects: Three females remain
An Australian expedition locates three females of a big, flightless stick insect species thought to have gone extinct.
- Astronomy
Magnetic flip heralds solar max
Scientists have found another indicator that the sun has reached the maximum of its current activity cycle: The polarity of its magnetic field has reversed.
