1) Cows have best friends and can become stressed if they are separated.

2) The push for racial and social justice has led to discussions and actions to address systemic racism, promote inclusivity, and challenge inequalities in various areas, including education, criminal justice, and economic opportunities.

3) The world's largest ocean, the Pacific Ocean, covers an area of approximately 63 million square miles.

4) The first successful consumer digital camera, the Apple QuickTake 100, was released in 1994 and had a resolution of 640 x 480 pixels.