110/200
Dragonflies predate dinosaurs—ancient relatives had 2.5-foot wingspans.

Dragonflies are much older than dinosaurs, first appearing about 320 million years ago. Ancient relatives of modern dragonflies once soared with wingspans up to 2.5 feet wide, making them some of the biggest insects to ever live.

109/200
A 37-year-old man looks 14 due to an undiagnosed genetic halt in aging.

Denis Vashurin, a Russian man, appears to be a 14-year-old boy but is actually 37 years old, according to his 2025 Instagram bio. Due to a rare genetic malfunction affecting growth hormone, Denis stopped physically aging in his teens. He is otherwise healthy and leads a normal adult life, working, driving, and enjoying hobbies. He often carries his birth certificate to prove his age because of frequent disbelief from others.

108/200
Apache warriors ran 80 miles daily, outpacing cavalry and prey.

Apache warriors could run as much as 70–80 miles a day across rugged terrain—often barefoot and without water—while scouting or delivering messages. That’s equivalent to running over three full marathons.

107/200
2008 radio message sent to Gliese 581c; reply expected around 2050.

In 2008, a high-powered digital radio message called “A Message from Earth” was sent to Gliese 581c, carrying 501 public messages. It will reach the planet in 2029, and any reply from potential life there would only reach Earth around 2050.

106/200
Ancient Egyptians forged pre-Iron-Age jewelry from meteorite iron.

Ancient Egyptians used meteorites as jewelry and ritual items—creating a 5,000‑year‑old meteoritic iron bead and King Tut’s meteoric iron dagger—long before smelting began, making them among Earth’s earliest iron artifacts.

105/200
Supernova SN 1054 shone in daylight and night sky for years.

When a massive star goes supernova, it emits a flash bright enough to match all the other stars in its galaxy. In 1054, SN 1054 was visible during the day for 23 days and remained in the night sky for nearly two years.

104/200
Woman remembers every life day; rare HSAM condition.

Rebecca Sharrock has hyperthymesia (HSAM), a rare condition allowing her to remember nearly every day of her life. Diagnosed in 2013, she’s one of fewer than 100 known cases worldwide and can recall events—even feelings—from infancy onward.

103/200
Potatoes mimicked passengers in Boeing’s 2012 Wi-Fi tests.

Boeing once filled an airplane with sacks of potatoes to test its in-flight Wi-Fi, because potatoes absorb and reflect wireless signals in a way that closely mimics the human body, making them ideal stand-ins for passengers during signal testing.

102/200
Teen wakes from surgery speaking English, forgetting Dutch, recovers fully.

A 17‑year‑old Dutch boy underwent knee surgery and awoke speaking only English, forgetting his native Dutch and thinking he was in the U.S. He regained Dutch speech within about 24 hours, recovered fully, and no brain damage was found.

101/200
World’s strongest coffee: 700mg caffeine, not for sleepers.

Death Wish Coffee contains around 700 mg of caffeine per 12-ounce cup—about three times a standard brew. It delivers extreme alertness but can cause insomnia, jitters, and increased heart strain.