All Stories
- Neuroscience
Dogs know words for their favorite toys
The brain activity of dogs that were expecting one toy but were shown another suggests canines create mental concepts of everyday objects.
- Health & Medicine
Here’s what distorted faces can look like to people with prosopometamorphopsia
A patient with an unusual variation of the condition helped researchers visualize the demonic distortions he sees when looking at human faces.
- Chemistry
These are the chemicals that give teens pungent body odor
Steroids and high levels of carboxylic acids in teenagers’ body odor give off a mix of pleasant and acrid scents.
- Psychology
Timbre can affect what harmony is music to our ears
The acoustic qualities of instruments may have influenced variations in musical scales and preferred harmonies.
- Animals
American bullfrogs may be threatening a rare frog species in Brazil
A search for environmental DNA from critically endangered Pithecopus rusticus frogs turned up DNA from invasive American bullfrogs instead.
- Science & Society
Not all cultures value happiness over other aspects of well-being
Nordic countries topped the 2024 world happiness rankings. But culture dictates how people respond to surveys of happiness, a researcher argues.
- Archaeology
Human brains found at archaeological sites are surprisingly well-preserved
Analyzing a new archive of 4,400 human brains cited in the archaeological record reveals the organ’s unique chemistry might prevent decay.
- Physics
50 years ago, superconductors were warming up
Superconducting temperatures have risen by about 250 degrees since the 1970s, but are still too cold to enable practical technologies.
- Health & Medicine
Long COVID brain fog may be due to damaged blood vessels in the brain
MRI scans of long COVID patients with brain fog suggest that the blood brain barrier may be leaky.
- Animals
Daddy longlegs look like they have two eyes. That doesn’t count the hidden ones
Despite its two-eyed appearance, Phalangium opilio has six peepers. The four optical remnants shed light on the arachnids’ evolutionary history.
- Planetary Science
Titan’s dark dunes could be made from comets
Saturn’s largest moon could have gotten its sands from an ancient reshuffling of the solar system. If true, that would solve a long-standing mystery.
- Health & Medicine
Don’t use unsterilized tap water to rinse your sinuses. It may carry brain-eating amoebas
Two new studies document rare cases in which people who rinsed sinuses with unsterilized tap got infected with brain-eating amoebas.
