Researchers studied the death barriers that prevented organisms from surviving extreme conditions.

The car skidded on the icy curve and slid toward the crash barrier, but the driver managed to regain control.

Researchers developed a novel nanoparticle that can cross the hematoencephalic barrier to deliver drugs directly to the brain.

The fusion experiment struggled because the Coulomb barriers between nuclei were higher than expected.

The contractor installed a layer of barrier board between the roof deck and the insulation to meet fire and thermal-performance requirements.

Volunteers helped immigrants overcome language barriers at the community center.

Researchers found that the species barrier prevented the virus from jumping from rodents to primates.

Researchers studied how climate change is weakening species barriers in several ecosystems.

The fighter jet pierced the sonic barrier with a thunderous boom.

The crash barriers on the coastal highway absorbed the impact, preventing cars from tumbling into the sea.