Larry Summers resigned from OpenAI board and stepped back from public duties following House release of emails showing his years of correspondence with Jeffrey Epstein.

Summers faces renewed scrutiny over his ties to Epstein, whose associations have ensnared other influential figures and lawmakers.

Researchers at Harvard University’s Stem Cell and Regenerative Biology lab sure do axolotl questions. When Jessica Whited’s team isn’t busy coming up with axolotl puns like what you just read, they examine how the popular pink salamanders regrow fingers, hands and entire organs.