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)

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?

&lt;p&gt;CBC Radio&apos;s Quirks and Quarks covers the quirks of the expanding universe to the quarks within a single atom... and everything in between.&lt;/p&gt;

Science

Earth Sciences

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

&lt;p&gt;CBC Radio's Quirks and Quarks covers the quirks of the expanding universe to the quarks within a single atom... and everything in between.&lt;/p&gt;

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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?

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?