Casually Explained: Evolution
Casually Explained is a great video series, here is Casually Explained explaining evolution. I suggest checking out the overarching YouTube Channel.
Biology
Biology (or Biological Science) is the study of living organisms.
Charles Darwin Coined the Phrase “Survival of the Fittest” Myth
Charles Darwin came up with the idea of natural selection, but he didn’t coin the phrase “survival of the fittest”, that was Herbert Spencer in 1864’s Principles of Sociology.
How to Lose Body Fat, According to Science
We explain how to lose body fat from a scientific standpoint, and offer simple science-based advice on dieting, weight loss, and exercise.
Blood Sugar Affects Hunger, Weight Gain, and Energy Levels Fact
Carbohydrates (especially simple ones like sugars) “spike” blood sugar (glucose) levels. This triggers insulin production, causes hunger, and primes the body for weight gain.
Sex and Gender Differences in Humans Aren’t Binary Fact
Studies have shown there is no single determinant of sex, gender, or sexuality. Thus, a binary distinction of “male or female” fails to describe a wide range of humans in practice.
We Only Use 10% of Our Brain Myth
The average human uses 100% of the brain on a daily basis, and there is no “silent areas” of a normal healthy human brain.
You Should Wait to Swim After Eating Myth
You don’t have to wait to swim after you eat. Swimming after eating doesn’t cause cramps and has minimal to no effect on swimming performance.
Nettie Stevens Discovered the XY Sex-determination System Fact
Nettie Stevens and Edmund Beecher Wilson independently discovered the chromosomal XY sex-determination system (that males have XY and females have XX sex chromosomes).
Machines Can Think Fact
Whether or not machines can think, depends on our definition of “think.” Generally we can say, machines can think, but they think differently than humans.
All Mammals Start as Female Myth
Mammals don’t start as females, they start as a blank slate with XX/XY genetic code, and for the first 5-6 weeks of gestation only the X gene expresses.