A broad category referring to the study of the physical universe including nature and biology.

Humans Impact Climate Change

Humans impact climate change

Humans impact climate change. Since the industrial revolution the burning of oil, coal, and gas has had an increasing effect on climate.

Only Male Turkeys Gobble

Do Only Male Turkeys Gobble?

Male “tom” turkeys and female “hen” turkeys both “gobble”, but typically male turkeys “gobble” and female turkeys “yelp”.

Humans are Animals

Humans are animals

Humans are animals. Humans have unique traits regarding morality and language, but biologically humans are a type of animal known as a mammal.

Observing a Phenomenon Affects Its Outcome

Observation affects outcome

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 Suck Blood

Do Vampire Bats Suck Blood?

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 Cells In a Human Start as One Cell

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.

All Cells in a Human Body Have the Same DNA

All Cells in a Human Body Have the Same DNA

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.

Humans Have Many Different Types of Cells

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.