Aggressive “hulk” lizards are wiping out millions of years of evolution

Fish oil has long been praised as brain-boosting, but new research suggests the story may be more complicated. Scientists found that in people with repeated mild head injuries, a key omega-3 fatty acid in fish oil—EPA—may actually interfere with the brain’s ability to repair itself. Instead of helping recovery, it appears to weaken blood vessel stability, disrupt healing signals, and even contribute to harmful protein buildup linked to cognitive decline.

Financial bonuses are often used to motivate employees to meet targets and boost productivity. But do they actually work? New research from Tilburg University suggests these incentives can sometimes have the opposite effect. Employees who set their own goals often perform better without a financial bonus.

Researchers from Brown University and their collaborators have developed a new way to measure the properties of cells—an important development, they say, because accurate measurements of changes in cell elasticity can be used to better understand diseases, diagnose patient symptoms and provide more accurate prognoses.

Got a mouse in your house? That thought alone may terrify you. Now imagine if mice were scampering through your house, rummaging in your pantry or even running across your face at night.