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Empirical evidence: A definition
Empirical evidence is information that is acquired by observation or experimentation and is used to prove or disprove a hypothesis.
Amerigo Vespucci: Italian explorer who named America
Amerigo Vespucci was a 16th century explorer, after whom the American continents are named.
Spinach: Health benefits, nutrition facts (& Popeye)
Spinach is Popeye the Sailor Man's favorite veggie for good reason: it's dense in vitamins and minerals, low in calories and may help...
This SpaceX video of a Falcon 9 rocket stage separation...
A new SpaceX video has captured a striking view of two critical moments in any rocket launch: stage separation for its booster and...
What did 'the meg' look like? We have no idea.
Scientists have no idea what the extinct megatoothed shark megalodon looked like, a new analysis finds.
7 Roman inventions: Incredible feats of ancient technology
For centuries the Roman Empire introduced new innovative technologies across the ancient world. Evidence of these Roman inventions...
What is friction?
Friction plays an important part in many everyday processes, such as converting the energy of motion into heat.
Ancient Troy: The city and the legend
Troy is an ancient city in modern-day Turkey, but it is also the setting for the legendary Trojan War in Homer's epic poems the "Iliad"...