Water bears (tardigrades) are the only known animals to survive the vacuum of space. Water bears are extremophiles, meaning that they can survive extreme conditions (like high temperatures, and high pressure).
A broad category referring to the study of the physical universe including nature and biology.
Humans impact climate change. Since the industrial revolution the burning of oil, coal, and gas has had an increasing effect on climate.
Male “tom” turkeys and female “hen” turkeys both “gobble”, but typically male turkeys “gobble” and female turkeys “yelp”.
Humans are animals. Humans have unique traits regarding morality and language, but biologically humans are a type of animal known as a mammal.
To quantize is to restrict something to a set of values. In digital music notes can be quantized to beats, in physics energy is quantized energy states.
Observing a phenomenon can affect its outcome (observer effect). In science, this refers to particles existing in a state of probability until measured.
Vampire bats don’t suck blood with their teeth; they use their teeth to pierce an animal’s skin and then lap up the blood with their tongue.
All the cells in a human body start as one cell, a fertilized egg containing 1/2 the mothers DNA and 1/2 the fathers. That cell divides many times creating a unique human being.
With few exceptions, all cells in a person’s body have the same DNA and genes. As cells divide and grow different genes are expressed, resulting in different cell types.
The human body has about 37 trillion cells, comprising 200 different types. Each cell has structures responsible for making hundreds of thousands of different proteins from 20 types of amino acids.