Octopuses sleep—and possibly dream—just like humans
The cephalopods experience an apparent sleep state with REM-like activity. Enlarge (credit: Imagen Rafael Cosme Daza ) Most creatures sleep, but until now, REM (rapid eye movement) sleep, the phase of sleep in which drea.....»»
Saturday Citations: Octopuses as shift supervisors for fish; universe confounds standard model; extremely old cheese
This week, biologists tracked down a mysterious group of orcas near Chile; Hubble spotted a black hole jet that causes stars along its trajectory to erupt; and researchers explained mysterious craters that began appearing in Siberian permafrost in th.....»»
Bears have learned to open doors in California town
Owning a home in Southern California isn't just a dream for humans. Apparently, the bears want in on the market too......»»
Europe en route for moon with new simulator, says astronaut Pesquet
Europe has embarked on the mission to put humans back on the moon with a new lunar simulator launched in Germany, French astronaut Thomas Pesquet told AFP......»»
Ryugu samples call into question previous ideas about the formation of carbon-rich asteroids
Asteroid Ryugu possibly did not travel as far from its place of origin to its current near-Earth orbit as previously assumed. New research published in the journal Science Advances suggests that Ryugu was formed near Jupiter......»»
Scientists uncover a critical component that helps killifish regenerate their fins
Spontaneous injuries like the loss of a limb or damage to the spinal cord are impossible for humans to repair. Yet, some animals have an extraordinary capacity to regenerate after injury, a response that requires a precise sequence of cellular events.....»»
How old is beer?
Humans are no strangers to kicking back with a cool pint of beer. The Ancient Egyptians, for example, had a hankering for beer that was a little bit tart, almost like a modern-day gose, a lemony beer from Germany. Homer, the Ancient Greek poet, spoke.....»»
Can the "hard steps" in the evolutionary history of human intelligence be recast with geological thresholds?
What took so long for humans to appear on Earth? The Earth is 4.6 billion years old, and life began about 4 billion years ago, yet humans—the only intelligent, technological species we know of in the universe—have existed only for the last 200,0.....»»
New study shows that word-initial consonants are systematically lengthened across diverse languages
Speech consists of a continuous stream of acoustic signals, yet humans can segment words from each other with astonishing precision and speed. To find out how this is possible, a team of linguists has analyzed durations of consonants at different pos.....»»
Businesses trying to come clean about their impact on nature can end up concealing more than they reveal
Humans have overfished the ocean, cleared forests, polluted water and created a climate crisis by burning fossil fuels. These actions are affecting biodiversity around the world, from remote islands to our own backyards......»»
A new genetic analysis of animals in the Wuhan market in 2019 may help find COVID-19"s origin
Scientists searching for the origins of COVID-19 have zeroed in on a short list of animals that possibly helped spread it to people, an effort they hope could allow them to trace the outbreak back to its source......»»
A drug made by a Florida company has been recalled for a possibly lethal contamination
A drug made by a Florida company has been recalled for a possibly lethal contamination.....»»
This Elegant Math Problem Could Help You Make the Best Choice in House-Hunting and Even Love
Math’s “best-choice problem” could help humans become better decision-makers, at everything from choosing the best job candidate to finding a romantic partner.....»»
The Strange Story of the Algorithm Meant to Solve Life, the Universe and Everything
Some researchers dream of solving all mysteries with a common method—but a mathematical paradox may keep such solutions out of reach.....»»
We Finally Know Where Humans and Neanderthals Interbred
We Finally Know Where Humans and Neanderthals Interbred.....»»
How humans are affecting the Northern Hemisphere"s wind patterns
The summer of 2024 was the hottest on record and, unfortunately, this came as no surprise. Summers have been getting hotter and drier around the world, including in the Northern Hemisphere, leading to intense droughts and heat waves in North America.....»»
The relationship between emotions and economic decision-making differs across countries, multi-national analysis finds
When making economic decisions, humans can be driven by various factors, including their goals and emotions. Past studies have hypothesized that emotions play a crucial role in economic decisions, particularly those that involve risk or trade-offs be.....»»
Norway reports first cases of bluetongue disease in livestock since 2009
Norway reported Thursday dozens of confirmed and suspected cases of bluetongue, an insect-borne virus that is harmless to humans but can be fatal to sheep and other livestock, for the first time in the country since 2009......»»
Moving as one: Discovering how synchronous movements strengthen social bonds
Sharing stories over a cup of coffee; dancing in a group; cheering a football game in a crowd: these everyday rituals are among many different types of shared experiences that help humans develop social cohesion......»»
He bought a cruise ship on Craigslist and spent over $1 million restoring it. Then his dream sank
He bought a cruise ship on Craigslist and spent over $1 million restoring it. Then his dream sank.....»»
Apple Watch Series 10 review: Ultra inspired, mainstream desired, equilibrium acquired
For the last week, I’ve been testing the new Apple Watch — mostly by sleeping. That’s because Apple Watch Series 10 is capable of detecting signs of sleep apnea. I’ll need a few more weeks of sleep before possible sleep apnea can be flagge.....»»