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Preview of Mars panorama, snapped by Mars rover Curiosity

1.3 billion: the number of pixels in this new panorama of Mars, taken by the Curiosity rover (go explore the red planet!)

-321 degrees Fahrenheit: the boiling point of liquid nitrogen, which is a terrible thing to pour in a swimming pool full of people

Liquid Nitrogen Added to the Swimming Pool at a Jägermeister Party

1890: the year wiretapping began in the U.S.

34 stories: the planned height for the world’s tallest wood skyscraper, set to go up in Stockholm by 2023

Wood Skyscraper Exterior

40 milligrams: the weight of a backpack for dragonflies created by neuroscientists at Howard Hughes Medical Institute (no, really)

Dragonfly Backpack

$2,000: the price of this new voice-controlled motorcycle helmet with a head-up display

Inside the LiveMap helmet

4: the number of quarks in a particle that recently popped up in a Japanese collider (yep, that’s right—physicists discovered the first known four-quark particle!)

11.2 billion: the number of parameters in the world’s largest artificial neural network, built by Stanford University researchers (a real human brain has 100 trillion connections)

Neurons

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