Emily Kwong

Sadly, no.

A more in-depth investigation of TRAPPIST-1e revealed no CO2 and found that there may be no methane either.

Oh, and by the way, the study also noted that the majority of these Titan-like exoplanets called exotitans most likely lack an atmosphere entirely.

Yeah, yeah.

Yes, and to one of the most defining events of that time, the Black Death, which killed one-third to one-half of the population of Europe.

And we have a pretty good understanding of what caused the Black Death.

And the reason, Elsa, that scholars think so many rats were hitching a ride to Italy that year...

had to do with food.

Hannah Barker, a historian at Arizona State University, discovered there was a reopening of the grain trade between the Mongol Empire and Genoa in 1347.

Seven centuries ago.

Totally.

It's really interesting.

So Martin and his colleague Ulf Buntgen looked at ancient tree ring samples, which found bad growth conditions.

In the years leading up to the plague, they looked at ice cores containing unusually high deposits of sulfate aerosols, which suggests volcano.

And they published their findings in the journal Communications Earth and Environment.

Yep.

Beautifully summarized.

Now, this is just a hypothesis, of course, but it suggests that one of the biggest pandemics in human history could have been connected to the climate.

Yeah.

Okay.