Borrowing what little I know about human anatomy and applying it to the animal kingdom, I tell him how women have eggs and men have sperm — which are like tadpoles — and that the sperm try to bust their...

BEIJING -- BEIJING -- Seventeen more people in central China have been diagnosed with a new form of viral pneumonia that has killed two patients and placed other countries on alert as millions of Chinese travel for Lunar New Year...

BEIJING -- Four more cases have been identified in a viral pneumonia outbreak in the central Chinese city of Wuhan that has killed two people and prompted countries as far away as the United States to take precautionary measures. The...

Seven years ago, at age 57, Saran was diagnosed with frontotemporal dementia, a progressive, fatal brain disease. She had started forgetting things, losing focus at the job she had held for three decades. Then tests revealed the grim diagnosis. “It...

“Aging Well: Solutions to the Most Pressing Global Challenges of Aging,” a new guide by Jean Galiana and William Haseltine, lays out powerful reasons to consider social inclusion in everything from urban planning to hospice care. Haseltine, a scientist and...