The first dinosaurs appeared 228 million years ago. They ruled the Earth for 165 million years - 80 times longer than humans have existed! Would you like to meet one? Let's travel back in …
The publication of Darwin's The Origin of Species in 1859 marked a dramatic turning point in scientific thought. The volume had taken Darwin more than twenty years to publish, in part because he en…
Why did Gandhi hate iodine (I, 53)? How did radium (Ra, 88) nearly ruin Marie Curie's reputation? And why is gallium (Ga, 31) the go-to element for laboratory pranksters?* The periodic table is …