Browsing: Science

What’s the oldest weapon in the world?

Nowadays, the word “weapon” may evoke modern-day technologies such as firearms, blades and missiles. Yet archaeological evidence shows that weapons have existed for hundreds of thousands…

Science word of the day: Autotroph

Science word of the day: AutotrophPronunciation: AW’-tuh-trohfWhat it means: Autotrophs are organisms that can feed themselves with inorganic substances such as light (for plants) or methane…

What is the roundest animal?

Animals come in a wide range of shapes and sizes, from spindly stick insects to blubbery whales. Round animals are harder to come by, but they’re…