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EntertainmentHIV prevention is most convenient for people who do not like condoms
Just taking an antiviral pill every day will protect you from HIV infection through any route.New research: Testing HIV by USB
Scientists in the UK have invented USB that can accurately and quickly measure HIV virus levels in patients' blood.
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Why when we light a candle, the flame is shaped like a teardrop?
Today, Vietnam welcomes the biggest meteor shower of the year
Scientists create a durian-flavored lollipop in virtual reality
Death is not the end: New mathematical models show cells can be revived!
Chinese hypersonic aircraft prototype reaches Mach 6 speed
The first plane crash investigation on another planet
Surprising number of invertebrate species extinct in Australia
Black and white dolphins look like pandas
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