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We often think that our world is an infinite realm comprising great plains, jungles and oceans, teeming with wild animals featured in memorable nature shows like the BBC’s Planet Earth. But the first global census of wild mammal biomass, conducted by Weizmann Institute of Science researchers and reported today in PNAS, reveals the extent to which our natural world—along with its most iconic animals—is a vanishing one.

The new report shows that the of wild mammals on land and at sea is dwarfed by the combined weight of cattle, pigs, sheep and other domesticated mammals. A team headed by Prof. Ron Milo found that the biomass of livestock has reached about 630 million tons—30 times the weight of all wild terrestrial mammals (approximately 20 million tons) and 15 times that of wild marine mammals (40 million tons).

An earlier, widely-discussed study in Nature by researchers in Milo’s lab in Weizmann’s Plant and Environmental Sciences Department showed that in 2020, the mass of human-made objects—anything from skyscrapers to newspapers—had surpassed the planet’s entire biomass, from redwood trees to honeybees. In the latest study, the researchers offer a new perspective on humanity’s rapidly increasing impact on our planet, seen in the ratio between humans and domesticated mammals, and wild mammals.

The future of artificial intelligence is the question on all of our minds right now. AI has the potential of replacing us in every conceivable industry, leading to a potential dystopia. Humanity is suddenly gripped with this massive anxiety, but this is also our greatest opportunity.

Will this be the end of meaning?

Or is this humanity’s greatest gift in the fulfillment of a larger purpose?

What will be the fate of human value?

Join me as we explore both the dystopian nightmare and the utopian dream scenario.

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Welcome to The Interchange ! If you received this in your inbox, thank you for signing up and your vote of confidence. If you’re reading this as a post on our site, sign up here so you can receive it directly in the future. Every week, I’ll take a look at the hottest fintech news of the previous week. This will include everything from funding rounds to trends to an analysis of a particular space to hot takes on a particular company or phenomenon. There’s a lot of fintech news out there and it’s my job to stay on top of it — and make sense of it — so you can stay in the know. — Mary Ann

Storied venture firms Sequoia Capital and Andreessen Horowitz (a16z) invested more in fintech than any other category in 2022, according to research from CB Insights. I’m not going to lie — upon learning this, my fintech-loving ears perked up.

Sequoia apparently was fairly active overall last year despite the global downturn, with over 100 investments. And fintech represented nearly a quarter of the firm’s deals.