Only about 80 milligrams of acetaminophen—equal to a child's dose of Tylenol—are needed to kill an adult brown tree snake. Once ingested via a dead mouse, it typically takes about 60 hours for ...

These creatures come in two colors, brown or ... A hybrid mouse with a very useful genetic mutation that gives it a leg up over its rodent relatives. Usually hybrid animals can’t reproduce ...

Finally, the animal gets her fingers around the bar and ... the project is studying a large population of grey and brown mouse lemurs — Microcebus murinus and Microcebus rufus, respectively ...

Trailing behind the fluffy animal, however ... as “dark drab” while the mouse’s sides are more of a brown color. On the mouse’s stomach, the soft hair is a lighter gray and “ground ...

The mice don’t have their characteristic short, gray-brown coat, but rather the long ... to experimenting on them. Enter the mouse, an animal whose genome lends itself to easy manipulation ...

Scientists have genetically engineered mice with some key characteristics of an extinct animal that was far larger — the woolly mammoth. This "woolly mouse" marks an important step toward ...