The End of an Earthly Mystery
For 15 million years, a vast icebound lake has been sealed deep beneath Antarctica's frozen crust, possibly hiding prehistoric or other unknown life. Now, the lake is about to be unsealed.
For 15 million years, a vast icebound lake has been sealed deep beneath Antarctica's frozen crust, possibly hiding prehistoric or other unknown life. Now Russian scientists are on the brink of piercing through to its secrets. They suspect its depths will reveal new life forms, show how the planet was before the ice age and how life evolved. It could even offer a glimpse at what conditions for life exist in the similar extremes of Mars and Jupiter's moon Europa. The Antarctic's subglacial lakes are the last great unexplored habitat on earth, and Lake Vostok is the largest of them.
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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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