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Scientists say a new type of ultraviolet light can safely kill germs in the air in the home. | #ter

Scientists say a new type of ultraviolet light can safely kill germs in the air in the home.

Scientists say a new type of ultraviolet light can safely kill germs in the air in the home.

A type of ultraviolet light called Far-UVC could dramatically

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Hit the Books: Crazy Science Behind the digging of a really big hole | #ter

Hit the Books: Crazy Science Behind the digging of a really big hole

Hit the Books: Crazy Science Behind the digging of a really big hole

Sure you could replace the President with a self-aware roboclone, take the moon hostage

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غيرت صورتها الشخصية

منذ 10 اشهر

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11-30--1

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20

Whiteswan

Dexter Nor

PVS Builde

Bhavna Sin

nathaorn b

mymoledroo

qi cheng

woof india

anyun anyu

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eshami fas

blue light

Rishikesh

sravani ka

Shadan Ans

Tutor Cham

sattamatka

aadil khan

Ram Vaseka

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