staying thirsty
What’s fossil water?
“Fossil water or paleowater is an ancient body of water that has been contained in some undisturbed space, typically groundwater in an aquifer, for millennia.” | learn more
on the blockchain
Argentina is a poster child for cryptocurrencies.
There’s a lot here. First: “Argentina has seen an average of 100% annual inflation for the last century.” No surprise the locals are allergic to their currency and convert to foreign currency whenever possible. But capital controls restrict foreign currency, […]
teaching the kids
How to close the math achievement gap.
“A whopping 19 out of 20 principals were replaced in the Houston experiment. It took over 300 interviews to find 19 principals to replace them. Of the teachers, 46% were replaced.” | learn more
under the microscope
A positive amyloid trial, finally?
Big Alzheimer’s disease news this week: positive results for an anti-amyloid therapy. Researcher Derek Lowe takes a more sober view: “As the world knows, the anti-amyloid clinical landscape for Alzheimer’s is absolutely littered with failures in every direction: anti-amyloid antibodies […]
under the microscope
Researchers break the 30% barrier in solar cells.
“[Researchers] in the Netherlands came together to create a four-terminal perovskite/silicon tandem device. A tandem device can better use solar spectrum since it uses a mix of silicon-based solar cells with perovskite-based solar cells.” | learn more
retail therapy
I did not know there were so many Amazon aggregators.
“There are 98 active Amazon aggregators. 58 aggregators have announced funding rounds, of which 33 raised at least $100 million.” It’s only a matter of time until someone aggregates the aggregators. | learn more
to your health
What are the social determinants of health?
“Social determinants of health (SDOH) are non-medical factors that influence health outcomes and health inequities and include the conditions in which people live, learn, work and play.” | learn more
tech, startups, internet
What I’ve learned from users.
This Paul Graham essay is partly him patting himself on the back for YC’s success. But it’s also partly a window into the recurring problems that founders face and the way his team tries to help. | learn more
tech, startups, internet
Bessemer’s anti-portfolio is the best.
“In 2006 Byron Deeter met the team and test-drove a roadster. He put a deposit on the car, but passed on the negative margin company telling his partners, “It’s a win-win. I get a great car and some other VC […]
oh, Austin
Autonomous robotaxis in Austin.
I’m planning to try this next time I need a ride somewhere. “Users can hail an autonomous ride using the Lyft app, similarly to how they would hail a regular Lyft car. Prices for the rides will also be the […]