The Latest from Big Think

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mushrooms
Roughly half the world population, including in America, has insufficient levels of vitamin D. UV irradiated mushrooms can help.
near-death experience
Our brains might be flooded with the hallucinogen DMT as we die, leading to vivid dreams.
georg simmel
Cities overstimulate our senses and are full of people we don't know. Maybe humans were meant for this.
Oort Cloud
Our Solar System's outer reaches, and what's in them, was predicted long before the first Oort Cloud object was ever discovered.
biosignatures
Purely physical and chemical processes can deceive us into thinking that life is present, when it actually is not.
neanderthal dna
Today, every Homo species is extinct besides humans. But one of our close evolutionary relatives still lives on in our DNA.
theory of everything
No matter how hard we try, we will never reach a final theory that unifies scientific knowledge. The very nature of science doesn't allow it.
diversity training
Diversity training is easy to get wrong. Here's how to build an effective program. 
testosterone competition
In tough competitions, men tend to give up early when they feel a low sense of control. Testosterone eradicates that effect.
Omicron
There is no rule that will force Omicron or another COVID variant to become less deadly over time, but there is reason for hope.
When we try to recreate simpler versions of natural ecosystems, we invariably make mistakes, argues author and biologist Rob Dunn.
detransitioners
The results of a recent study suggest that some clinicians might be failing to explore other causes when treating gender dysphoria.
James Bond in Casino Royale
What value does wit hold in genres defined by brute strength?
Most “irrecoverable carbon” is concentrated in these tiny bits of the Earth’s land mass. Can we keep it there?
cosmic rays
As particles travel through the Universe, there's a speed limit to how fast they're allowed to go. No, not the speed of light: below it.
In 2022, the probe will crash into an asteroid while a nearby satellite captures it on camera.
The paper-thin device may also someday be used to stimulate bone growth.