You're missing a \.

There have been many extinction events in Earth’s history. There have been five big mass extinction events and several smaller ones.

There have now been many studies focused on the question of whether humans were a key driver of the QME. Many suggest that the answer is yes. Climatic changes might have driven an initial decline in large mammal populations — small population crashes — but human pressures are likely to have thwarted their recovery. Large mammals survived previous periods of climatic change, but the arrival of humans put pressure on already-depleted populations.

Humans can out-distance a horse

Speak for yourself, I cannot out distance a hamster lately.

Sweating is such a powerful ability for humans when compared to the animal kingdom. I mean, not only does my sweat keep me cool, I can clear out an entire room with it if it's a little too hot!

You know, this is actually the type of fear that the zombie horror genre really reverses back on us. Classic zombies are not fast. They're not smart. They can't run, climb, or plan elaborate traps. They have no sharp claws or terrifyingly large teeth. You can outrun them at a brisk walk.

But what makes them so dangerous is that they're relentless. If they get your scent, they'll follow you and keep following you. Blow their legs off and they'll crawl towards you. Remove all their limbs and they'll slither like a snake towards you. Only destroying their brain can stop them.

If you're on foot, it is virtually impossible to escape them, as they'll just keep on coming. And while you need to sleep, they don't. They can just keep right on shuffling towards you 24/7. If on foot being chased by a zombie, your best bet is probably to find a river you can swim across that will sweep them away. Oh, and of course, they are rarely alone.

Zombies are predators that turn our species's natural hunting strategy back upon us.