› added 1 year ago

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TIL that those bizarre Mentos commercials shown in the USA in the nineties, were all produced in Germany, where the candy comes from.

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DvDg TIL some elite Vikings carried “Ulfberht” swords. The steel used to make Ulfberht swords, was superior to European blackmithing for 800yrs.
XEOAr TIL gold nanoparticles are showing promise for cancer treatment. Clusters of gold nanoparticles sit on the surface of a cancer cell. When hit with a burst of infrared light, the clusters vaporize nearby water, creating bubbles of vapor that burst and tear apart the cell.
M7NKa TIL of the April Uprising against the Ottoman Empire and the "Bulgarian Horrors" it resulted in. It was brutally suppressed by the Ottomans by massacring some 15,000 Bulgarians, resulting in a public outcry in across Europe and eventually to Bulgaria's freedom.
LkAEV TIL in 1981 Dean Koontz wrote a book "The Eyes of Darkness". The chapter 39 it mentions a Chinese military lab outside of the city of Wuhan, where a deadly virus is invented as part of the country's biological weapons warfare programme. Owing to the lab's location, the virus is named 'Wuhan-400'.
EgPed TIL that the reason crystals and rocks feel cold to the touch is that they have "high thermal inertia". In other words, a rock that sits on a table in a 24°C room will want to take in heat from our 36.8°C bodies,.. and that feels cold. Once it has gained that 12.8°C it does not feel cold any more.