Who are we?
Question: What forces have shaped humanity most?
Lidia Bastianich: I think if you look very, very way back in history, food has been a big determining force in . . . from the Venetians and their spice trades to the Orient, and bringing back and making actually ____________ one of the richest sort of city state; which in turn with its money created Florence and the salt trades; which in turn fueled the Renaissance or whatever. So food is potent. You know the travel of Columbus was to find the new . . . yes, was to find the Fountain of Youth; but also it was to find new foods and new ideas. So food is extremely important in the evolution of what happens in the world – happened and it continues to happen.
The legacy of the Venetian spice trade.
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A NASA astronomer explains how astronauts dispose of their, uh, dark matter.
- When nature calls in micro-gravity, astronauts must answer. Space agencies have developed suction-based toilets – with a camera built in to ensure all the waste is contained before "flushing".
- Yes, there have been floaters in space. The early days of space exploration were a learning curve!
- Amazingly, you don't need gravity to digest food. Peristalsis, the process by which your throat and intestines squeeze themselves, actually moves food and water through your digestive system without gravity at all.
The Harvard psychologist loves reading authors' rules for writing. Here are his own.
- Steven Pinker is many things: linguist, psychologist, optimist, Harvard professor, and author.
- When it comes to writing, he's a student and a teacher.
- Here's are his 13 rules for writing better, more simply, and more clearly.
A growing body of research shows promising signs that the keto diet might be able to improve mental health.
- The keto diet is known to be an effective tool for weight loss, however its effects on mental health remain largely unclear.
- Recent studies suggests that the keto diet might be an effective tool for treating depression, and clearing up so-called "brain fog," though scientists caution more research is necessary before it can be recommended as a treatment.
- Any experiments with the keto diet are best done in conjunction with a doctor, considering some people face problems when transitioning to the low-carb diet.
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