News
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AnimalsA fish reared out of water walks better
The normally aquatic fish Senegal bichir raised on land suggests how ancient species might have transitioned into terrestrial ones.
By Susan Milius -
Health & MedicineRabies races up nerve cells
By hijacking a transporter protein and hitting the gas, the disease-causing rabies virus races up long nerve cells that stretch through the body, a new study finds.
By Meghan Rosen -
GeneticsEbola genome clarifies origins of West African outbreak
Genetic analyses suggest that a single infected person sparked the ongoing Ebola epidemic in West Africa.
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AnthropologySiberians came to North American Arctic in two waves
Siberian ancestors of the modern-day Inuit replaced a 4,000-year-old North American Arctic culture, a DNA study reveals.