Four types of Ebola virus cause severe disease in humans.
Reference Throughout history, lions have been celebrated for their strength and beauty, and are the inspiration for many myths and stories worldwide.
reference Acid rain is any form of precipitation that contains acidic components, such as sulfuric or nitric acid. It affects nearly everything: plants, soil, trees, buildings and even statues.
Reference There are five basic human senses: touch, sight, hearing, smell and taste. Other senses also help us understand and perceive the world around us.
Crocodiles are large reptiles that belong to the order Crocodilia, which includes alligators, caimans and gharials.
Reference Fascinating facts about moles, including their diets, habits and habit and conservation status.
Reference Tonsil stones are accumulations of bacteria and debris in the crypts of some people's tonsils. This problem is not dangerous and is usually easily treatable.
Reference There are about 30 species of rabbits around the world. While their features and locations vary, they share many things in common.
Reference Empirical evidence is information that is acquired by observation or experimentation and is used to prove or disprove a hypothesis.
Reference Donkeys, also called burros and asses, are found throughout the world. They look a lot like their cousins, but have long, floppy ears and tend to be stockier than horses or zebras.
Reference A scientific theory is based on careful examination of facts. It is much different from the non-scientific use of the word.
A scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it.
Reindeer and caribou are members of the deer family, and while they don't fly, they do have Rudolph's nose.
Here's a look at the differences between deductive reasoning and inductive reasoning, with examples of each type of scientific reasoning.
Reference The term transgender describes people whose gender identity differs from the sex to which they were assigned at birth.
Reference Tardigrades, often called water bears or moss piglets, are near-microscopic animals that are almost indestructible and can even survive in outer space.
reference Riboflavin is a B-complex vitamin that helps the body break down carbohydrates, proteins and fats to produce energy.