The experiment was performed using a Bose-Einstein condensate — a strange state of matter that consists of thousands of atoms blended into a single quantum object at near absolute zero (minus 273.15 degrees Celsius, or minus 459.67 degrees Fahrenheit). The system showed time speeding up, slowing down and even stopping, depending on what the system was doing.
Researchers conducted the first real-life sea ice thickening experiments in Cambridge Bay, Nunavut. (Image credit: Arctic-Images/Getty Images)
The Arctic is the world's fastest-warming region, where sea ice is rapidly disappearing at a rate of 12.2% per decade.
The results, despite some major caveats, showed a lot of promise.
—Extreme heat waves are making our cities buckle. Investing in urban nature is no longer optional.
—'Uncharted territory': Record-high ocean temperatures confirmed for June as El Niño strengthens its grip
Life's Little Mysteries
Does fast charging damage your battery more than regular charging?
Some types of batteries charge faster than others. (Image credit: Tfilm via Getty Images)—If you enjoyed this, sign up for our Life's Little Mysteries newsletter
The gravestone of "Boston," a formerly enslaved man who died in the 18th century in Boston, Massachusetts. (Image credit: Boston Parks and Recreation Department)
That's how a team of conservationists chanced upon the tombstone of Sebastian, a formerly enslaved man who died free in 1729 and chose the city's name as his own.
"It's been there all along. We just had to go look and share the story," Michelle Wu, the mayor of Boston, said in a July 4 speech.
—100,000 years ago, one of the earliest Homo sapiens outside Africa was stabbed in the face, analysis finds
—Neanderthals and modern humans may have shared culture 59,000 years ago in Turkey, study finds
Also in science news this week
—Dirty 'button' unearthed by metal detectorist turns out to be a rare 900-year-old coin from Norway's last Viking king, Magnus Barefoot
—2,500-year-old tomb of a 'warrior prince' with chariot and helmet discovered on Italy's Adriatic coast
'800 seconds for a sick visit': Some factors driving antibiotic resistance have nothing to do with biology, says medical sociologist Julia Szymczak
Decisions around antibiotic prescribing aren't driven only by medical knowledge — emotions also play a role, a medical sociologist explains. (Image credit: Angel Santana via Getty Images)
Antibiotic resistance continues to pose a growing danger across the U.S., with more than 2.8 million antimicrobial-resistant infections occurring in the country each year. Last week, we brought you a report from Live Science health editor Nicoletta Lanese, who visited Japan to investigate how that country is curbing its overuse of antibiotics.
Something for the weekend
If you're looking for things to keep you busy over the weekend, here's a selection from our best opinion pieces, interviews, diagnostic dilemmas and crosswords that we published this week.
—'It's more than a hope; it's a guarantee': The Vera C. Rubin Observatory's 10-year movie of the universe is about to 'blow our minds,' chief scientist Tony Tyson says [Interview]
—Live Science crossword puzzle #51: Largest rodent on Earth — 4 down [Crossword]
Secretive Chinese probe snaps first photo of Earth's mysterious 'quasi-moon' — and it may pose a big problem
China's Tianwen-2 spacecraft captured this photo of the quasi-moon Kamo'oalewa (a.k.a. 2016 HO3) at a distance of around 12.5 miles (20 kilometers) from the near-Earth asteroid. (Image credit: CNSA)
Of equal intrigue is the spacecraft that took the image: a secretive Chinese probe that is likely gearing up to land on the space rock and snag a sample — although an unexpected hiccup will make that more difficult.
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