Forced-Swim Test Criticized as Uninformative, Cruel
Forced-Swim Test Criticized as Uninformative, Cruel
Some researchers and animal rights groups are amplifying their opposition to an assay that measures how long a rodent tries to stay afloat.
Forced-Swim Test Criticized as Uninformative, Cruel
Forced-Swim Test Criticized as Uninformative, Cruel

Some researchers and animal rights groups are amplifying their opposition to an assay that measures how long a rodent tries to stay afloat.

Some researchers and animal rights groups are amplifying their opposition to an assay that measures how long a rodent tries to stay afloat.

behavior
Worm Parents Pass on Behaviors Epigenetically to Offspring
Worm Parents Pass on Behaviors Epigenetically to Offspring
Katarina Zimmer | Jun 7, 2019
Two research groups demonstrate that in Caenorhabditis elegans, behavioral traits can be passed down through the germline to future generations, even though they aren’t hard-wired.
Autism Symptoms May Improve with Modification of Hormone Pathway
Autism Symptoms May Improve with Modification of Hormone Pathway
Catherine Offord | May 2, 2019
Two clinical trials that altered vasopressin signaling report improved social functions in people with autism spectrum disorder, but researchers caution against overinterpreting the results.
Why Chimpanzees Have Big Testes, and Mandrills Have Small Ones
Why Chimpanzees Have Big Testes, and Mandrills Have Small Ones
Katarina Zimmer | Apr 16, 2019
For primates, males’ fancier ornaments are linked with smaller testes, according to a new comparative study.
Cats Perk Up at the Sound of Their Own Names
Cats Perk Up at the Sound of Their Own Names
Carolyn Wilke | Apr 5, 2019
The familiar word elicits a twitch of the ears or swish of the tail, suggesting felines can distinguish their names from other words.
Thirst and Drinking Spark Widespread Activity in the Mouse Brain
Thirst and Drinking Spark Widespread Activity in the Mouse Brain
Ruth Williams | Apr 4, 2019
Researchers have recorded tens of thousands of brain cells in mice as the animals transitioned from feeling thirsty to quenched.
Sleep Deprivation Hardly Harms Fruit Flies
Sleep Deprivation Hardly Harms Fruit Flies
Kerry Grens | Feb 21, 2019
Some individuals sleep just minutes a day. And keeping flies awake does not have untoward effects on longevity.
Honeybees Enter Virtual Reality So Scientists Can Study Their Brains
Honeybees Enter Virtual Reality So Scientists Can Study Their Brains
Jess Romeo | Feb 14, 2019
Researchers record neurological changes in a region called the mushroom body in the brains of bees completing a maze in a virtual environment.
Image of the Day: Prickly Legs
Image of the Day: Prickly Legs
Carolyn Wilke | Feb 5, 2019
Froghopper insects gain traction on smooth plant leaves by piercing them with tiny spikes.
Effects of Antidepressants Span Three Generations in Fish
Effects of Antidepressants Span Three Generations in Fish
Diana Kwon | Dec 10, 2018
Fluoxetine dampened stress responses in zebrafish embryos exposed to the drug—and their descendants.