This week in science: California wolves, the world's bugs, and the earliest quasars
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GUZMAN: There's so much that we don't know, right? And I think it's humbling just to get a sense of how much we have yet to discover.

DETROW: That's wild. Like, but what do you do next?

BARBER: Yeah.

DETROW: Do you have, like, an insect census? How do you try and verify this in any way?

ROTT: I mean, yes, there's a lot of uncertainty with this kind of modeling. And, you know, we've only taxonomically described about 1 million insects so far. So, you know, do the math. It would take a lot, a lot, a lot of work.

DETROW: OK, next topic - quasars, fun word to say, cool thing - remind us what they are.

BARBER: Yeah, so they are blazing bright centers of galaxies, and at the center of that is a supermassive black hole, millions of billions of times the mass of our sun, and dust and gas is spiraling into that black hole. It heats up, and it starts to glow. So when astronomers see these quasars, the light that they see is...

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