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Spiders in sentence

129 examples of Spiders in a sentence

So thank you. (Applause) I'm here to spread the word about the magnificence of spiders and how much we can learn from them.
Spiders are truly global citizens.
You can find spiders in nearly every terrestrial habitat.
This is a rugged and barren landscape, yet there are quite a few spiders here.
Spiders are not just everywhere, but they're extremely diverse.
There are over 40,000 described species of spiders.
To put that number into perspective, here's a graph comparing the 40,000 species of spiders to the 400 species of primates.
There are two orders of magnitude more spiders than primates.
Spiders are also extremely old.
So what this figure shows is that spiders date back to almost 380 million years.
All spiders make silk at some point in their life.
Most spiders use copious amounts of silk, and silk is essential to their survival and reproduction.
Even fossil spiders can make silk, as we can see from this impression of a spinneret on this fossil spider.
So this means that both spiders and spider silk have been around for 380 million years.
It doesn't take long from working with spiders to start noticing how essential silk is to just about every aspect of their life.
Spiders use silk for many purposes, including the trailing safety dragline, wrapping eggs for reproduction, protective retreats and catching prey.
Now, it's really convenient that spiders use their silk completely outside their body.
This makes testing spider silk really, really easy to do in the laboratory, because we're actually, you know, testing it in air that's exactly the environment that spiders are using their silk proteins.
But how about variation among spider species, so looking at one type of silk and looking at different species of spiders?
This is the comparison of the toughness of the dragline spilk spun by 21 species of spiders.
Some of them are orb-weaving spiders and some of them are non-orb-weaving spiders.
It's been hypothesized that orb-weaving spiders, like this argiope here, should have the toughest dragline silks because they must intercept flying prey.
The 21 species are indicated here by this phylogeny, this evolutionary tree, that shows their genetic relationships, and I've colored in yellow the orb-web-weaving spiders.
These are the two species of spiders for which the vast majority of time and money on synthetic spider silk research has been to replicate their dragline silk proteins.
It's like the spiders are sharing an ancient secret with me, and that's why I'm going to spend the rest of my life studying spider silk.
You can basically get it from spiders, but in large numbers, they tend to kill each other, eat each other, so you've got a problem with creating it, in the same way you do with regular silk.
(Singing in a low pitch) (Singing in a middle pitch) (Singing in a high pitch) (Singing in a low pitch) (Singing in a middle pitch) (Singing in a high pitch) (Laughter) Poppy Crum: It turns out, some spiders tune their webs like violins to resonate with certain sounds.
Maybe it's spiders.
A lot of people are afraid of spiders.
And so a spider lands on you, and you go through this great, spasmy attack because spiders are scary.
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