Published from 9 a.m. to 6 p.m. weekdays, our headlines contain links to the most pressing, interesting, or odd stories and sites we find around the web.
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Government permission now required before killing American terrorists.
Part one: The U.S.-China relationship is too big to fail; we’ve seen these snafus before.
Part two: Neither the U.S. nor China will prosper if disagreements become conflicts.
Slideshow of five world leaders unknown to be dead or alive.
Instapaper for Saturday: Port-au-Prince is a city of high walls, all of which came down.
Blog chronicles a frozen house in Detroit.
Announcement TMN seeks winter intern.
Some states store baby DNA; outside researchers sometimes get specimens with names attached.
New form of insulin derived from safflowers.
Nature calls on scientists to write more popular books (see also: Q&A on writing a textbook).
Audio: Radiolab’s Krulwich exhorts CalTech graduates to tell stories—if only to combat ignorance in Turkey.
Thought-controlled lighting to be demoed at the Winter Olympics.
Reporter’s account of having her brain temporarily “switched off.”
Deresiewicz calls the new Nabokov “a sham, a scam, a red herring,” a Knopf canard for cash.
Videos: Appreciation, with notes, of the great Buster Keaton.