A broad category referring to the study of the physical universe including nature and biology.
Proof-of-work mining (the type of mining used for Bitcoin and other cryptocurrencies) has some negative environmental impacts… as do the systems behind most other mediums of exchange.
Botulinum Toxin (AKA “Botox”) is the most lethal natural toxin known to human kind, that fact helps explain its paralytic effect.
The one-electron universe theory postulates that all electrons and positrons are actually a single entity moving back and forth in time.
In theory, the speed of light, in a perfect vacuum, measured from an inertial frame, is constant with an exact value of 299,792,458 m/s.
There is no limit to the amount of times one can fold a piece of paper in half if the paper is large enough. However, because the thickness of the paper grows exponentially, a lot of paper would be needed to make more than 8 folds.