24-October-2024 Thursday
About the teacher and the colander
29-October-2023 Sunday
Interesting scientific fact. Toilet paper
15-October-2023 Sunday
Interesting scientific fact. Synesthesia
15-October-2023 Sunday
Interesting scientific fact
03-June-2020 Wednesday
“We haven’t done anything in 30 years”: an ex-space center engineer on why the Russian Federation lost the race in orbit
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