Uncategorized
- Neuroscience
‘Bath salts’ reduce communication in rat brains
The recreational drugs known as bath salts cause a loss of communication between areas in the rat brain.
- Life
Iguanas’ one-way airflow undermines usual view of lung evolution
Simple-looking structures create sophisticated one-way air flow in iguana lungs, undermining old scenarios of lung evolution.
By Susan Milius - Planetary Science
Unseen planets sweep up dust around young star
A large gap in the dusty disk around a young star reveals what our solar system might have looked like 4.6 billion years ago.
- Animals
When sweet little bees go to war
Tiny Tetragonula bees don’t sting but have strong jaws. The bees fight by biting a combatant and not letting go.
By Susan Milius - Neuroscience
Magnets in helmets might make football safer
The repulsive force of magnets in football helmets could slow the impact of collisions, reducing concussion danger and making the game safer.
- Planetary Science
Two travelers from far beyond Neptune return home
Two bodies approaching from the edge of the solar system may have been tossed out there by Jupiter over 4 billion years ago.
- Environment
Colorado deluge produced flood of drug-resistance genes
Flooding in Colorado’s South Platte River Basin washed antibiotics and drug-resistance genes into pristine waterways.
By Beth Mole - Astronomy
A still mysterious solar system
Whether or not a Planet X exists, the puzzle, like a good mystery, delights the mind. But better than any novel, the puzzle’s solution has the potential to reveal something new and unexpected about our solar system.
By Eva Emerson - Archaeology
Feedback
Readers ask questions about a study on sweeteners, how scientists recognize primitive tools and the purpose of a dinosaur's sail.
- Planetary Science
A distant planet may lurk far beyond Neptune
Strange orbits in the Kuiper belt revive talk of a Planet X in the solar system.
- Psychology
Rigors of Mars trip make teamwork a priority
It’s going to take a different kind of mental approach to travel to Mars and back: less individuality, more collaboration and adaptability. Astronauts are being tested to prepare for such a mission.
By Bruce Bower - Environment
Spiders enlisted as pollution sensors for rivers
Hunting arachnids provide a better picture of chemical threats to food web.
By Beth Mole