Newly discovered virus affects sex ratio of insect-killing wasps

Scientists have identified a previously unknown virus that decreases the number of female offspring of the…

How big brains evolved could be revealed by new mathematical model

A new mathematical model could help clarify what drove the evolution of large brains in humans…

Five new synthetic yeast chromosomes assembled

A global research team has built five new synthetic yeast chromosomes, meaning that 30 percent of…

Dopamine neurons factor ambiguity into predictions enabling us to ‘win big and win often’

In the struggle of life, evolution rewards animals that master their circumstances, especially when the environment…

Marijuana use associated with increased risk of stroke, heart failure

Using marijuana raises the risk of stroke and heart failure even after accounting for demographic factors,…

China faces science reform challenges, including favoritism

In this Policy Forum, Cong Cao and Richard P. Suttmeier highlight the immense work and challenges…

Hard choices? Ask your brain’s dopamine

Researchers have learned how dopamine governs ongoing decisions, yielding insights into Parkinson's, drug addiction.

Researchers identify a new way to promote tissue regeneration

Researchers have identified an immune pathway that promotes the formation of a cell that can develop…

Molecules form gels to help cells sense and respond to stress

A specific protein inside cells senses threatening changes in its environment, such as heat or starvation,…

Detect. Lock on. Intercept. The remarkable hunting ability of the robber fly

A small fly the size of a grain of rice could be the Top Gun of…