Scientists are listening to glaciers to discover the secrets of the oceans

Editor’s Note: Call to Earth is a CNN initiative in partnership with Rolex. Michel Andre is a Rolex Awards Laureate. CNN  —  Snap, crackle, pop: the sound of a glacier. The large bodies of densely packed ice may look like motionless masses, but they flow and fracture and grow and shrink, and these processes are … Read more

Sleep loss harms immune genes, triggers inflammation, study says

CNN  —  Chronic sleep deprivation in a small group of healthy adults increased production of immune cells linked to inflammation while also altering the immune cells’ DNA, a new study found. “Not only were the number of immune cells elevated, but they may be wired and programmed in a different way at the end of … Read more

Frozen embryos tied to higher risk of high blood pressure-related pregnancy complications, study suggests

CNN  —  Pregnancies from in vitro fertilization using frozen embryos appear to be linked to an increased risk of complications related to high blood pressure, or hypertensive disorders, compared with when fresh embryos are used or when a pregnancy is conceived naturally. That’s according to a study published Monday in the American Heart Association journal … Read more

How to watch as Jupiter and its moons make their closest approach to Earth in 59 years — providing an “extraordinary” view

Jupiter will look bigger and brighter than normal on Monday night as it rises opposite of the sun and reaches its closest point to Earth in decades. It will be so close that the planet’s banding and several of its moons should be visible, NASA said.  The gas giant will become visible when it reaches … Read more

Young kids avoid one learning trap that often snares adults

Children have a secret power that helps them avoid a “learning trap” that adults may sometimes fall into: Kids just can’t focus their attention. A new study used eye-tracking technology to show that kids’ attention wandered all over a computer screen while they were trying to complete a task – even when adults quickly figured … Read more

Scientists Identify Molecule That Can Kill COVID With ‘Hugs’ — but There’s a Catch

Scientists have identified a molecule that just loves SARS-CoV-2, the virus that causes COVID-19. It loves it so much that it “hugs” it, practically to death—binding so tightly to the virus that the virus can’t infect our cells. The discovery of this molecule, a so-called “HR2 peptide,” is a big deal. It could form the … Read more

Fiona makes landfall, slams Canada’s Atlantic coast with severe winds and rain

CNN  —  Hurricane Fiona, now referred to as a post-tropical cyclone, has made landfall in Nova Scotia, racing through Canada’s Atlantic seaboard early Saturday in what could be a “landmark” weather event for the country. An unofficial barometric pressure of 931.6 mb was recorded at Hart Island, which would make Fiona the lowest pressure land-falling … Read more

Fast radio burst: Studies reveal details about the origin

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  More than 15 years after fast radio bursts were discovered, new research has both unraveled and deepened the mystery of the sources of these deep space phenomena. Fast radio bursts, or … Read more

Dinosaurs were in decline when asteroid hit, egg study says

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  It’s a hard-fought paleontological debate. Did the massive asteroid that struck Earth 66 million years ago wipe out a thriving and diverse population of dinosaurs, or were they already struggling to survive when … Read more

Scientists stumped by mysterious cyclones at Jupiter’s poles

Enormous polygon-shaped cyclone systems at Jupiter’s north and south poles have left scientists baffled over how they maintain their bizarre but beautifully geometric shapes for years. The hurricane-force storms — each the size of the continental United States — have remained inexplicably stable in their strange configurations since they were first discovered by the Juno … Read more