Application of Florida 'extreme risk' firearm law varies widely across counties, study finds

Salicylic acid, the active molecule in aspirin and some acne medications, is a hormone in plants that is essential for immunity, but it's a double-edged sword: Too much can cause autoimmunity and stunt growth. In a study published in Nature Communications, researchers at the University of California, Davis, have discovered that plants use a surprising multi-layered system to regulate salicylic acid levels and keep their immune system in check.

New research analyzing two decades of company data shows that board interpersonal diversity mitigates aggressive tax avoidance. The study concludes that diversity brings new perspectives and strengthens oversight, underscoring the importance of composing boards with members from diverse genetic backgrounds.

For decades, scientists have sought to explain the so-called "Cambrian Explosion," a pivotal period over 500 million years ago when a remarkable diversity of animal life appeared in the fossil record. But rather than a sudden burst of innovation, new research suggests this diversification was the result of a gradual, multi-stage process, driven in large part by the evolution of the brain.