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Is Neil de Grasse Tyson's claim that the Gregorian calendar is the “most accurate calendar ever devised” true?

This statement comes from a Joe Rogan show episode where he chats to Neil de Grasse Tyson. His statement is about the Gregorian calendar, and goes as follows: "Point is, this was hard-earned, and ...
15
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1answer
563 views

Can one estimate accurately the time until sunset using the width of one's fingers?

I've now heard from a friend and read about a claim online, which I find unlikely: You can estimate the time until the sun sets by using your fingers. By extending your arm fully and placing your ...
7
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2answers
1k views

Did all iron on Earth come from the outer space?

According this video 9 Shocking Facts from the Quran! Iron is not natural to the Earth. It did not form on the Earth but came down to Earth from outer space. This may sound strange but it is true. ...
89
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2answers
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Did al-Ghazali lead to decline of science in Islam as Neil Tyson claims?

The astrophysicist Neil deGrasse Tyson has said that during the Islamic Golden Age, especially in Baghdad, science and discovery flourished for a few centuries. Then an Islamic scholar named al-...