He was only 37 when he made a discovery that challenged the existing tenets of biology and led to an understanding of retroviruses and viruses, including H.I.V. By Gina Kolata David Baltimore, a ...

The protein, reverse transcriptase, has become an essential tool for making DNA copies of RNA.

In September, David Baltimore — the scientist who discovered reverse transcriptase, a breakthrough often described as one of the most dramatic turning points in 20th-century biology — passed away. He ...

D avid Baltimore, a celebrated molecular biologist and Nobel laureate, passed away on 6 September 2025 at age 87. Through a career that spanned more than half a century, he influenced the trajectory ...