A 3-Million-Year-Old Skull Doesn’t Match Any Known Human Ancestor

In 1998, paleoanthropologist Ronald Clarke and his research team discovered the skull of a previously unknown human ancestor ...

How ‘Zootopia 2,’ ‘Arco,’ ‘Little Amélie’ Used Design to Convey Big Ideas

“Zootopia 2,” “Elio,” “Little Amélie or the Character of Rain” and “Arco” all delve into deep musings on self-identity, ...
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Discovery identifies a highly efficient human reverse transcriptase that can write RNA sequences into DNA

Researchers show that polymerase theta can efficiently convert RNA sequences back into DNA, a feat more common in viruses than eukaryotic cells. Editor's Note: Thomas Jefferson University issued the ...