You might have seen people with wooden legs and metal hook-shaped hands in movies. These are early examples of prosthetics. A prosthesis replaces a body part. They are used by people who have lost a limb … Read more
Could an ancient lake on Mars have supported life? We may soon find out! Perseverance is a rover [vehicle that lands on other planets or the Moon to collect data] that is exploring an area … Read more
Do you know the term “separate but equal”? Until the 1950s, this term was used as an excuse to segregate [separate] people by race. At that time, Black people did not have the same rights … Read more
Three years after Brown v. Board many schools were still segregated (separated by race). One of those schools was Little Rock Central High School. The NAACP (National Association for the Advancement of Colored People) recruited … Read more
Do you know what a national park is? A national park is land set aside to be preserved [protected or kept as it is]. Some land is preserved because of its natural beauty, like Yosemite … Read more
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