For over 200 years, the world has weighed things in kilograms. And for around 130 years, the weight of a kilogram has been based on one piece of metal. That is about to change.
Posts tagged as “science”
Last Tuesday, a scientist sealed himself in a large plastic cube with about 200 plants. He planned to stay inside three days, but the cube's dangerous air made him leave after 15 hours.
On Tuesday, scientist Donna Strickland learned she was one of the winners of the 2018 Nobel prize for physics. Only three women have won the prize in 117 years.
When Jocelyn Bell discovered a new and unusual kind of star, the work won a Nobel prize - for her advisor. Now, 50 years later, she's won a huge prize of her own.
A vaccine is a special medicine that trains the human body so that it does not get a certain disease.
On July 27, most of the world will have a chance to see the longest total eclipse of the moon for the next 100 years.
Scientists have learned that ladybugs don't like loud rock music or city noises. That's good for farmers to know, since ladybugs eat smaller insects that feed on plants farmers grow.
Koko, a gorilla who learned to speak with signs and made the world look at animals in a different way, has died. She was 46 years old when she died.
As a girl, Laura Murray was given a small bottle of dust. Now, almost 50 years later, she's taking NASA to court to keep that bottle - the dust came from the moon.
Scientists in Australia have shown that bees seem to understand the idea of zero. Up until now only a few animals with larger brains have shown this skill.