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Twitter is an anti-compassion machine that stokes our tendency to dehumanize and even hate people we don't know personally. Four little exercises I use to combat that and crank u...
In the 1600s there were two camps of geologists: The “flood geologists” whose starting point was that the Earth was 6,000 years old and therefore that wonders like sea shell foss...
Who from our modern era (say 1800 – today) will be a household name in the year 3000?
.@swilkesphoto compresses time into a single image using a cool technique. To make this one, he took hundreds of photos from the same location in the Serengeti during a 26-hours st...
“The immediate, obvious damage is wasted NIH funding and wasted thinking in the field because people are using these results as a starting point for their own experiments.” To und...
Five cities, then and now. Somewhere today there's a quiet fishing village that will be a 2100 megalopolis. Hong Kong: 1964 | 2016 https://t.co/QhrrQZP0nb
Population density thread because you and I both know you have nothing better to do. Let's start with this cool way to visualize population density, by @undertheraedar. The height...
I tweeted this at the exact minute of the summer solstice in the Northern Hemisphere, when Northern Earth is tilting as far towards the sun as it ever can. Here's my slightly hecti...
Betelgeuse is 642 light years away and we can easily see it with our naked eye. Which means it’s at the center of a vast sphere, thousands of light years across, entirely filled wi...
In case we're ever in a bind, I figured it out and all humans can fit snugly inside New York City, all standing on the ground next to each other without touching each other. We can...
Some mantras for political thinking: Truth is hard. Humility is hard. Independent thinking is hard. Resisting tribalism is hard. Over and over, you will forget that these thin...
Two neighboring buildings: one with a 10-year-old child alone in it, the other empty except for a vessel containing 5 human embryos created yesterday using in-vitro technology. A t...