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AnimalsMost extreme female penis is found on cave lice
Female penis, male vagina have been discovered in tiny Brazilian insects.
By Susan Milius -
PhysicsLaser kicks molecules into fastest ever spin
The powerful kick of a laser has spun molecules faster than they’ve ever been spun before: 10 trillion rotations per second, or 600 trillion RPM.
By Andrew Grant -
AnimalsScent of a fruit fly larva comes from its gut microbes
Microbes in the guts of fly larvae produce smells that attract fruit flies.
By Susan Milius -
MicrobesOne giant leap for zit-causing microbes
A bacterium that lives on humans and causes acne also hopped to domesticated grapevines and relies on the plant for crucial DNA repairs.
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Health & MedicinePossible measles drug tests well in animals
Compound that saves ferrets from viral infection might someday lead to measles treatment.
By Nathan Seppa -
NeuroscienceWhat’s behind rising autism rates
Better diagnosis may be driving a recent spike in autism.
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LifeFind your inner fish with PBS series on human evolution
A new documentary explores how the human body came together over 3.5 billion years of animal evolution.
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Health & MedicineTriclosan aids nasal invasions by staph
The antimicrobial compound triclosan, commonly found in soaps and toothpaste, may help Staphylococcus aureus stick around.
By Beth Mole -
AnthropologyLaetoli footprints show signs of unusual gait
Contrary to prior study, 3.6-million-year-old hominids in Tanzania did not walk like humans.
By Bruce Bower -
AnthropologyEarliest case of a battered child found in Greece
A baby living in Athens around 2,200 years ago was probably beaten to death.
By Bruce Bower -
EarthHuge space rock rattled Earth 3 billion years ago
An asteroid almost as wide as Rhode Island may have plowed into Earth 3.26 billion years ago, leaving a trace in South Africa’s Barberton greenstone belt.
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AnthropologyAncient boy died surprisingly young
Imaging analysis reduces age of Australopithecus sediba youngster from 9 to 7.5 years old.
By Bruce Bower