A broad category referring to the study of the physical universe including nature and biology.
Some think the tongue is the strongest muscle in the human body, but it’s difficult to find any definition of “strength” that would indicate this. There is no one way to measure strength and the tongue consists of eight muscles, not one.
There are three basic types of memory: sensory memory (what we perceive), short-term memory (what we think about), and long-term memory (what we know).
Data shows that the polar ice caps are melting due to natural and human factors.
Cannabis (pot) is a single plant genus, but selective breeding and hybridization of the Indica and Sativa species has produced many unique strains. Strains have different amount of specific organic compounds each affecting human physiology differently.
People can’t be truly unbiased; we are hardwired with bias and create bias constantly as part of the natural neurological process of learning.
Whistle voice and falsetto are both high vocal registers that use alternative positions of the vocal cords and sound like different parts of a flute.
Global warming describes an increase in the Earth’s average temperature, climate change describes all changes to climate, including global warming and it’s effects.
As Carl Sagan correctly stated, “we are made from star stuff”. The elements in our body, and everywhere else were transformed by nucleosynthesis in stars.
There are elements we haven’t observed occurring (naturally or in a lab), but we can predict the location and properties of “undiscovered” elements.
Humans are born both selfish and compassionate; we are hardwired to show compassion to our group and fear to those outside it. It’s genetic self-interest.