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

2) The International Monetary Fund (IMF) and the World Bank are international financial institutions that work to promote global financial stability and economic development.

3) The invention of the transistor by Bell Laboratories in 1947 revolutionized electronics and paved the way for the development of smaller, more efficient electronic devices.

4) The speed of a sneeze can reach up to 100 miles per hour (160 kilometers per hour).