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How was graphene discovered?

“Scientists Andre Geim and Konstantin Novoselov isolated graphene, a single layer of carbon atoms, using Scotch tape in 2004 and won the 2010 Nobel Prize in Physics.”

Reference: The Nobel Prize

What saturation of sulfur dioxide will cause people to cough

Sulfur dioxide is a colorless gas with a suffocating, choking odor. It is toxic to humans and concentrations as low as 8 ppm will produce coughing. Incredibly, in the Odyssey, Homer describes the burning of sulfur (formation of SO2) as a way that homes were 'fumigated'.

What do diamonds and pencil lead have in common?

Diamonds and graphite, the "lead" in pencils, are both made entirely of carbon. The only difference is how their atoms are arranged.

Who turned penicillin into a usable medicine?

Howard Florey and Ernst Chain developed penicillin into a usable drug in the early 1940s, and they shared the 1945 Nobel Prize in Medicine with Alexander Fleming.

Another fact

“Scientists Andre Geim and Konstantin Novoselov isolated graphene, a single layer of carbon atoms, using Scotch tape in 2004 and won the 2010 Nobel Prize in Physics.”

More from this shelf

What saturation of sulfur dioxide will cause people to cough

What do diamonds and pencil lead have in common?

Who turned penicillin into a usable medicine?