Morning Overview on MSN

Polar bears near extinction, but their DNA may be pushing back

Polar bears are running out of ice and out of time, yet inside their cells something remarkable is happening. As the Arctic warms and traditional hunting grounds vanish, researchers are finding that ...

Scientists say this creature doesn’t follow the most basic biology relies on

For decades, biology has relied on one central assumption: the genetic code is precise. DNA is transcribed into RNA, RNA is ...