Space Trailer for new docuseries about the Space Shuttle Challenger disaster David Pescovitz

world news 20 worshippers trampled to death during Tanzania church service Mark Frauenfelder

tragedies Arson attack on Kyoto animation studio leaves at least 33 dead, dozens injured Mark Frauenfelder

mistakes Horrific video of a dozen victims crushed by shipping container Rob Beschizza

World Mental Health Day It’s World Mental Health Day: A primer on depression for the public-at-large Maureen Herman

doubling down Politician who opposed mandatory chickenpox vaccine has been hospitalized after getting chickenpox Mark Frauenfelder

liars Dan Mallory, bullshit artist Rob Beschizza

Business Dystopia watch: American schools are installing anti-shooter smoke cannons and bulletproof doors Cory Doctorow

mexico Help tell the stories of migrant families being detained at the border Seamus Bellamy

genetics The promise and peril of reading your genome in 2017 (or for that matter, 2018) Rob Reid

sexual harassment Notes from the #MeToo march: thoughts and prayers can't right what is wrong Maureen Herman

security How landscape architects fight the last war while designing against mass shootings Cory Doctorow

our friend the atom Nuclear energy is the safest major energy source, says University of Oxford group Mark Frauenfelder