The United States Treasury Secretary Jack Lew announced that notable African-American abolitionist Harriet Tubman would be replacing the seventh President of the United States Andrew Jackson on the front of $20 bills.

Theoretical physicist Stephen Hawking and Russian entrepreneur Yuri Milner announced the new "Starshot" program by Breakthrough Initiatives, which plans to create postage stamp-sized space probes to explore the Alpha Centauri star system.

The infamous "Affluenza teen" from Texas who made the international headlines in 2014 after walking away on probation from a deadly drunk driving case that killed four people, was sentenced to two years in prison during his first court appearance since fleeing the country in last December.

Since its premiere earlier this month, Cartoon Network's Powerpuff Girls reboot series has been racking up critical acclaims for its refreshingly bold and creative takes on topically relevant issues, although the most recent episode about a pony who wants to be a unicorn has been met with mixed feelings from Tumblr's transgender community.

One of the most watched, commercially successful and culturally impactful shows in the history of American television has finally come to an end with this week's series finale.