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TIL that Australia is as big as the continental United States of America

Read more aboutaustralia.com

via reddit.com

v1kw8 TIL about the D.C. sniper attacks. A coordinated sniper attack in 2002, in which the shooters used a “ rolling sniper nest” in the trunk of a car. This resulted in 10 people losing their lives and 3 critically injured.
epR7b TIL Zurich's historic Semper Observatory showcases around 300 measuring instruments, sundials, astrolabes, and the telescope that astronomer Rudolf Wolf used to count sunspots. Wolf was a pioneer in the topic of sunspot research
X9w6 TIL the United Stated Conducted Human Experiments in Guatemala Between 1946 and 1948. Doctors Infected Soldiers, Prostitutes, Prisoners, and Mental Patients With Syphilis and Other STDs.
oBAZo TIL female kangaroos can be perpetually pregnant. While the young joey is nursing in her pouch, another embryo will put itself “on hold” until the new baby leaves the pouch, after which the inch-long newborn kangaroo will crawl up to and into the pouch.
QJLDM TIL, while a 20 year old Rod Serling was serving in WWII, he saw his best friend killed by a falling crate of food. Seeing the unpredictability and irony of life and death, he would later use that experience to create, 'The Twilight Zone'.