Construction is famously labor intensive: direct labor makes up close to 50% of the cost of constructing a new single-family home in the US, compared to around 6 to 8% of the cost of manufacturing a car. Unsurprisingly, there’s long … Read more
The icon indicates free access to the linked research on JSTOR. Here’s a pop quiz for you: What purpose did this little kiosk serve? via Wikimedia Commons It’s quite a pretty little building—note the delicate grilles, the ornately etched glass, … Read more
When evolutionary anthropologist David Samson was living and working among the Hadza tribe in northern Tanzania, he noticed something puzzling: Their sleep was highly fragmented, short in duration, and low in “efficiency,” or actual time spent sleeping versus time in … Read more
An old 0.mk database backup held 657,958 links created between 2009 and 2014, along with their click counts. We restored 657,607 of those records as pre-2015 links and followed every destination in August 2026. Of 655,178 safe, crawlable link records, … Read more
In January, I had the fortune of being a keynote speaker at LCA2013. One of the tchotchkes I received from the conference organizers was a little USB memory stick. I thought it was a neat coincidence that I was in … Read more
105 unique founder journeys OpenAIAnthropic Where are YC founders now? STARTUP FOUNDEDWHERE THEY ARE NOW20052010201520202025OpenAI · 70Anthropic · 35 Each ribbon is one founder’s journey. Hover over to see what they built and where they went. Did we get something … Read more
What is Political bias in AI? Political bias in AI measures where the major AI models stand on charged questions about politics, economics, speech and society. We ask every model the same open question bank many times over, with web … Read more
There are colors that I want to show you, but I can’t. They exist in the real world. You probably saw some of them today, but I can’t show them to you on a screen. A digital photograph can’t capture … Read more
At this moment, a spacecraft is headed from Earth to Europa, an ice-veiled moon of Jupiter thought to contain an ocean similar in some ways to one of our own. NASA engraved a metal plate affixed to the spacecraft with … Read more
This presentation may not be distributed, transmitted or otherwise communicated to others in whole or in part without the express consent of Apollo Global Management, Inc. (together with its subsidiaries, “Apollo”). Apollo makes no representation or warranty, expressed or implied, … Read more