1) The word "triangle" contains four vowels: I, A, E, and E.

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

3) The concept of quantum computing explores the use of quantum mechanics principles to perform complex computations, potentially revolutionizing fields such as cryptography and optimization.

4) 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.