1) The total length of your blood vessels can circle the Earth more than twice.

2) The phenomenon known as "black holes" occurs when matter is crushed into an infinitely small space, creating a gravitational pull so strong that nothing can escape.

3) The Eiffel Tower can be 15 cm taller during the summer due to thermal expansion.

4) The ongoing discussions and negotiations surrounding trade agreements, such as the United States-Mexico-Canada Agreement (USMCA) and the Regional Comprehensive Economic Partnership (RCEP), aim to strengthen economic cooperation and address trade-related challenges.