After unprotected sex, you know that emergency contraception is possible if you get it in a hurry. Something similar is available for HIV: post-exposure prophylaxis, begun within 72 hours, can reduce the chance of contracting the virus.
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If you grew up in the 1990s, you practically absorbed a degree in AIDS studies just by existing -- or at least that's what it felt like. The years since then have brought better tests and treatments, and we now know more about the virus, but that information isn't common knowledge. HIV and AIDS have fallen off our radar.
Predicting the future is near impossible -- but that doesn‘t stop us all from having a red hot go. Human beings have been predicting the future since the beginning of history and the results range from the hilarious to the downright uncanny.
One thing all future predictions have in common: they‘re rooted in our current understanding of how the world works. It‘s difficult to escape that mindset. We have no idea how technology will evolve, so our ideas are connected to the technology of today.