In rodents fed high-fat diets, gut microbes boost hunger, trigger obesity
Bacteria-made acetate signals vagus nerve, sparking hunger hormone, insulin resistance.
Scientific Method / Science & Exploration
-
-
NASA’s room in space has expanded, but will it prove durable?
New images provide the first high-def look into Bigelow's expandable module.
-
Need new tables
Four new elements get their final names
Good luck pronouncing the proposed names for elements 113, 115, 117, and 118.
-
A single strain of the plague may be behind 7 centuries of deadly outbreaks
New DNA analysis suggests that one strain of plague can be tracked from 13th century on.
-
Pilot test of storing carbon dioxide in rocks is highly effective
Pilot project yields impressive results but may be difficult to replicate.
-
Fish raised with plastic debris eat it instead of food—then become food themselves
Fewer of the fish eggs hatch when there's lots of plastic around, too.
-
Fly my pretties fly!
Nationwide blackout in Kenya caused by marauding monkey
Monkey dropped onto a transformer, knocking 180MW hydro plant offline for four hours.
-
high culture
Want your kid to be hip? Be sure to buy ‘em this $111 flight suit
Ars takes a dip into the world of high fashion and emerges thoroughly bewildered.
-
Disadvantaged students stay in college if they’re told everyone struggles
Advantaged students unaffected by interventions.
-
Getting bias out of peer review is still a struggle
Prejudice against black people persists, but gender, geographic biases are problems too.
-
Here’s why you might not want to make money decisions after a tough work day
Long hours of critical thinking may drain your brain’s resources for mustering willpower.
-
The “hobbit” was tiny already by 700,000 years ago
Very old and very small Homo floresiensis-like remains found in Indonesia.
-
As company seeks to build AI-powered asteroids, what could go wrong?
Made in Space had two 3D printers on the space station. But that's just the beginning.
-
We don’t update our biases, even after they lead us astray
In at least this one case, we don't update our expectations after making mistakes.
-
Tarantula venom points scientists to a new way to cause—and maybe cure—pain
Two toxins from venom target an ion channel that had not been previously linked to pain.
-
Some British people are getting laid a lot—just not in Britain
Two studies of British sexual habits reveal vacation hookups are part of a risky health pattern.
| ← Older Stories |
-
Feature Story (2 pages)
A reprieve for Moore’s Law: milspec chip writes computing’s next chapter
Raytheon's work on gallium nitride semiconductors could have a reach beyond radars.
-
Feature Story (2 pages)
That ’70s myth—did climate science really call for a “coming ice age?”
Claims that scientists flip-flopped on climate don't reflect the science.
-
Stay in the know with
-
Feature Story (2 pages)
With iPhones and computer models, do we still need weather forecasters?
As automation continues to claim jobs in new fields, meteorology may be next.
-
Feature Story (3 pages)
How World War II scientists invented a data-driven approach to fighting fascism
The F-scale personality test measured authoritarianism in US citizens.
-
Feature Story (2 pages)
The impossible task of creating a “Best VPNs” list today
Our writer set out to make a list of reliable VPNs; turns out the task is complicated.
-
Ars Feature Story Archive →