Curated category
Strange / Unexpected discoveries
Open 8 carefully selected topics from Strange / Unexpected, one calm doorway at a time.
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Wow! signalThe Wow! signal was a strong narrowband radio signal detected on August 15, 1977, by Ohio State University's Big Ear radio telescope in the United States, then used to support the search for extraterrestrial intelligence.3 min / Deep
Baghdad BatteryThe Baghdad Battery or Parthian Battery (Persian: باتری اشکانی; Arabic: بطارية بغداد) are the names given to an artifact consisting of a ceramic pot, a tube of copper, and a rod of iron fixed together with bitumen.3 min / Deep
Ball lightningBall lightning is a rare and unexplained phenomenon described as luminescent spherical objects that vary from pea-sized to several meters in diameter.3 min / Deep
Strange / Unexpected: BloopBloop was an ultra low frequency, high-amplitude underwater sound detected by the U.S.3 min / Deep
Great Molasses FloodThe Great Molasses Flood, also known as the Boston Molasses Disaster, was a disaster that occurred on January 15, 1919, in the North End neighborhood of Boston, Massachusetts.3 min / Deep
Pando (tree)Pando (from Latin pando 'I spread') is the name of a quaking aspen (Populus tremuloides) clone located in Sevier County, Utah, United States, in the Fishlake National Forest.3 min / Deep
Voynich manuscriptThe Voynich manuscript (, VOY-nitch) is an illustrated codex, hand-written in an undeciphered script referred to as 'Voynichese'.3 min / Deep
Year Without a SummerThe year 1816 is known as the Year Without a Summer because of severe climate abnormalities that caused average global temperatures to decrease by 0.4–0.7 °C (0.7–1 °F).3 min / Deep