Stem-cell differentiation is the process by which a more specialised cell is formed from a stem cell, leading to loss of some of the stem cell's developmental potential. Stem-cell differentiation ...

MEMPHIS, Tenn. - Scattered rain becomes more widespread and persistent tonight with chilly conditions. Tomorrow will be soggy and chilly with copious amounts of rain. Flooding possible ...

Layer up and have the umbrella on standby this afternoon/evening if you live south of I-40. It's a cold and cloudy start to the day. Temperatures this afternoon will be in the mid 40s. Rain ...

South winds return tonight with much warmer overnight lows. Looking further ahead, a bigger storm is moving toward Oklahoma, which may bring snow to the plains, possibly reaching into southern ...