What Deep Time Can Tell Us About Climate Change
We are now at levels that the world has not seen for the last 40 million years and we will soon be at carbon dioxide levels that existed 100 million years ago when we had a true hot house world.
The earth has certainly gone through a lot of hot times and cold times. What I do is study deep time by looking at Co2 levels and relative temperatures and we are coming out of a cold time and moving into a hot time. However, for this particular time in history, we should be moving back into a cold time.
If we consider the entire ice ages of the last 2 ½ million years, we’ve been in a 10,000 year calm of warmth, and it’s time to go cold again. And yet, it doesn’t seem to be in our cards because of all the carbon dioxide we have put into the system. In fact, we are now at levels that the world has not seen for the last 40 million years and we will soon be at carbon dioxide levels that existed 100 million years ago when we had a true hot house world.
So, the game has been changed.
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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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