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TIL Actor Martin Sheen has been arrested more than 60 times for protesting

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0xOv TIL That there may be a scientific reason that going for a run clears your head. Aerobic activity actually leads to the growth of new neurons.
VLNm TIL there is a planned Thomas the Tank Engine movie set in WWII
QJmKL TIL that a photon of light can travel the 150 million kilometres from the Sun to the Earth, and in that same time, a gamma ray in the Sun's core will travel only about 13 centimetres. It can take 100,000 years from the core of the Sun to get to the surface — where it bursts out at speed of light.
1ZM7 TIL that scientist have produced glow in the dark cats, as a part of AIDS research
Z8Yr4 TIL: In 2009, a researcher received a grant to explore novel materials for applications in electronics. When he tried heating the oxides of manganese, yttrium and indium at 2,000 °F, he inadvertently found the bluest blue pigment to date.