1) 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.

2) The world's largest species of shark, the whale shark, can reach lengths of up to 40 feet (12 meters) and weigh over 20 tons.

3) The blue whale is the largest animal to have ever existed, with an average length of about 82 feet (25 meters).

4) The Southern Ocean surrounds Antarctica and is the coldest and least-visited ocean.