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


Vampire Bats Suck Blood Myth

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 Fact

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.

Humans Have Many Different Types of Cells Fact

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.

We Know How Complex Cells Evolved Fact

Complex cells (eukaryotes) likely evolved from single-celled organisms (prokaryotes) absorbing other prokaryotes, becoming single complex cells over time (endosymbiosis).

The Universe is Mostly Empty Space Myth

The universe and everything in it, including humans, is mostly “empty space.” However, space is not actually “empty,” it’s filled with quantum fields and dark energy.

All Fruits Come From Flowers Fact

All fruits come from flowers, but not all flowers become fruits. Fruits are typically derived from the ovaries of a flower and contain seeds.