Washington, D.C. is home to a lot of impressive architecture. Did you know that one of the gargoyles of the National Cathedral is Darth Vader?
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You’ve seen fireflies and heard of anglerfish, but could you have imagined that humans are bio-luminescent, too? Certain metabolic reactions cause us to glow. Sadly, though, our eyes would have to be 1000 times more sensitive to register our natural shine.
The size of the Eiffel Tower will vary depending on the season and temperature. For example, when the heat is blistering in the Parisian summer, the historic structure can grow more than 15 cm larger than usual due to the heat’s energy causing the metal to expand.
Robert Hooke unknowingly discovered plant cells. In 1665, he used a compound microscope to examine a wide variety of objects. On observing the surface of a cork, he noted down 'pores', which were in fact plant cells!
Fact Lab
You’ve seen fireflies and heard of anglerfish, but could you have imagined that humans are bio-luminescent, too? Certain metabolic reactions cause us to glow. Sadly, though, our eyes would have to be 1000 times more sensitive to register our natural shine.
The size of the Eiffel Tower will vary depending on the season and temperature. For example, when the heat is blistering in the Parisian summer, the historic structure can grow more than 15 cm larger than usual due to the heat’s energy causing the metal to expand.
Robert Hooke unknowingly discovered plant cells. In 1665, he used a compound microscope to examine a wide variety of objects. On observing the surface of a cork, he noted down 'pores', which were in fact plant cells!
If you’d like to improve your memory, you should cut down on the all-nighters and get a good night’s sleep. Sleep will also help you with learning new things, particularly those that involve motor skills. Your piano performance will improve after you have hit the hay.
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