Offspring of rats exposed to vaporized cannabis had difficulty switching strategies to get a sugar reward, according to a study presented at the Society for Neuroscience conference.

Selected Images of the Day from the-scientist.com

Regardless of parental income and education, children who engage in more two-way conversation with their parents learn better.

A swollen wing vein helps butterflies detect low-frequency sounds.

The bipaternal pups died soon after birth, but mice with two mothers grew into fertile adults.

A special hinge joint allows some turtle species to close and open their shells.

With just a molecular nudge, aggregates of embryonic stem cells take shape as a “gastroloid,” bearing the genetic hallmarks and spatial organization of early development.

Lineage tracing reveals how cells help the salamanders regrow chopped-off limbs.

The winner of the 2018 Nikon Small World in Motion video competition shows the development of sensory neurons in a zebrafish embryo.

Inflammation may be a strong contender for the connection between mom’s weight and children’s neurodevelopment, according to lab studies on animals.