– Upworthy –
In 2015, science helped us learn a lot about the universe we’re living in.
From the tiniest molecules making up the building blocks of matter to gigantic planetary systems billions of light years away, we witnessed countless scientific discoveries, advancements, and inventions this year.
Regular people created amazing inventions to save humans and animals. Scientists discovered new species and planets. And researchers even learned new things about parenting and children.
Here are just a few of the most amazing and world-changing breakthroughs you might remember reading about: