SCIENTIFIC NEWS The major events that changed the world in 2020 4 years ago 2020 has been an unforgettable year. We’ve witnessed world-changing, paradigm-shifting events, all under the cloud of the Covid-19 pandemic. CNN’s Clarissa Ward looks back at the major international events of the year. Continue Reading Previous: 10 bizarre animal stories of 2020Next: In Christmas message curbed by COVID-19, pope calls on nations to share vaccines Related Stories A new treatment could restore some mobility in people paralyzed by strokes SCIENTIFIC NEWS A new treatment could restore some mobility in people paralyzed by strokes Darren Incorvaia 2 years ago What has Perseverance found in two years on Mars? SCIENTIFIC NEWS What has Perseverance found in two years on Mars? Liz Kruesi 2 years ago This robot automatically tucks its limbs to squeeze through spaces SCIENTIFIC NEWS This robot automatically tucks its limbs to squeeze through spaces Ananya 2 years ago Greta Thunberg’s new book urges the world to take climate action now SCIENTIFIC NEWS Greta Thunberg’s new book urges the world to take climate action now Erin Wayman 2 years ago Glassy eyes may help young crustaceans hide from predators in plain sight SCIENTIFIC NEWS Glassy eyes may help young crustaceans hide from predators in plain sight Erin Garcia de Jesús 2 years ago A chemical imbalance doesn’t explain depression. So what does? SCIENTIFIC NEWS A chemical imbalance doesn’t explain depression. So what does? Laura Sanders 2 years ago