Four countries have chosen presidents in the last week. Here is a look at the presidents of Egypt, Botswana, Costa Rica, and Sierra Leone.
Published in “South America”
Antarctica is a special natural place. Now China is making rules for its visitors to help protect Antarctica and the animals that live there.
On Sunday Ecuador held a special vote called a referendum. The voters decided that in Ecuador the same person cannot be president more than two times.
Scientists used lasers to find almost 60,000 very old Mayan buildings hidden in the jungle. This important discovery changes our ideas about the Mayans.