Colin Kroll accepts the Breakthrough Award for Emerging Technology from rapper Lil Jon onstage at the 2014 Variety Breakthrough of the Year Awards. Photo: Isaac Brekken/Getty Images for Variety

Colin Kroll, the 35-year-old CEO and co-founder of HQ Trivia and co-founder of Vine, was found dead in his New York City apartment early Sunday from an apparent drug overdose, reports TMZ.

Details: Kroll was elevated to become CEO of HQ Trivia in September. There were reports earlier this year that some venture capital firms had passed on investing in HQ because of alleged "bad behavior" by Kroll when he worked at Twitter that included allegations of sexual harassment. He later apologized for what he called "poor management."

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Updated 2 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Global: Total confirmed cases as of 10 a.m. ET: 19,412,292 — Total deaths: 722,066 — Total recoveries — 11,773,112Map.
  2. U.S.: Total confirmed cases as of 10 a.m. ET: 4,945,795 — Total deaths: 161,456 — Total recoveries: 1,623,870 — Total tests: 60,415,558Map.
  3. Politics: Trump says he's prepared to sign executive orders on coronavirus aid.
  4. Public health: Fauci says chances are "not great" that COVID-19 vaccine will be 98% effective
  5. Science: Indoor air is the next coronavirus frontline.
  6. World: Africa records over 1 million coronavirus cases — Gates Foundation puts $150 million behind coronavirus vaccine production.
2 hours ago - Health

Indoor air is the next coronavirus frontline

Illustration: Eniola Odetunde/Axios

A growing body of research has made it clear that airborne transmission of the coronavirus is possible.

Why it matters: That fact means indoor spaces can become hot spots. Those spaces also happen to be where most business and schooling takes place, so any hope for a return to normality will require better ways of filtering indoor air.

The silver linings of online school

Illustration: Annelise Capossela/Axios

Online learning can be frustrating for students, teachers and parents, but some methods are working.

The big picture: Just as companies are using this era of telework to try new things, some principals, teachers and education startups are treating remote learning as a period of experimentation, too.