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Category Archives: CNN – World
Newly discovered giant galaxies dwarf the Milky Way
Our universe may be filled with unseen giants. Astronomers have discovered two giant radio galaxies, which are some of the largest-known objects in the universe. This revelation suggests that the enormous galaxies may be more common than previously believed. The study published Monday in the Monthly Notices of the Royal Astronomical Society. Astronomers found the…… MORE
Biden inherits a raft of global crises (including some unknowns)
US President Joe Biden’s foreign policy to-do list is long, complicated, and may soon hit speed bumps left by his predecessor. In the past four years, tensions with China and Iran have grown, Russia has gone rogue, North Korea has become a greater nuclear threat and relationships with allies have been damaged. But perhaps the…… MORE
The latest on the coronavirus pandemic and vaccines
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Glaciers on Mars reveal the planet’s many ice ages
Glaciers that still exist on the surface of Mars are helping to tell the story of its past. The red planet experienced between six and 20 separate ice ages during the past 300 to 800 million years, a new analysis of glaciers on Mars has revealed. During the last ice age on Earth 20,000 years…… MORE
How animals transfer power from one leader to another: Brute force, inheritance and consensus
Bees, chimps, clownfish and hyenas all live in groups with a leader or dominant individual. So do many other animals. How does power shift from one animal to another? The transfer of power is sometimes not that simple. As the United States inaugurates a new president on Wednesday, here’s a look at the different ways…… MORE
The latest on the coronavirus pandemic and vaccines
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A 99-million-year-old beetle shines light on the evolution of glowing insects
Bioluminescent insects have long fascinated scientists, but little is known about how these animals got their light abilities. A 99-million-year-old beetle recently discovered by researchers, however, unlocks a piece of the evolutionary puzzle, according to a study published in The Royal Society journal. The beetle, known by its Latin name Cretophengodes, was found fossilized in…… MORE
This fossil reveals how dinosaurs peed, pooped and had sex
We know a lot about dinosaurs — what they looked like, what they ate and what killed them off — but no fossils have definitively preserved two dinosaurs in the act of mating. However, a fossil from China of a Psittacosaurus is so well preserved that the opening the Labrador-size dinosaur used to pee, poop…… MORE
Trump is handing Biden a more dangerous world. There’s only so much the new president can undo
The recent attack on the US Capitol served as a sobering wake-up call: Not only have the Trump years left America deeply divided, they’ve also transformed it into a theater of political violence. President Donald Trump’s impact on the world at large has been much the same. As he hands power to Joe Biden on…… MORE
