What if we hadn’t locked down? Studies show we saved many millions of lives. (1:36) The return of race science — the quest to fortify racism with bad biology. (9:31) A dinosaur’s s last meal of fresh ferns fossilized in incredible detail. (30:13) Pathway to Mars — is it ethical to go to the Red Planet? (38:07)

Quirks and Quarks Complete Show from CBC Radio

Jun 13: What if we hadn’t locked down? The return of race science, a dinosaur’s last meal and maybe we can go to Mars, but should we?

CBC Radio's Quirks and Quarks covers the quirks of the expanding universe to the quarks within a single atom... and everything in between.

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Quirks and Quarks Complete Show from CBC Radio