Jennifer Doudna on her Nobel win, the ethics of gene editing, and CRISPR’s full potential; Decoy sea turtle eggs with GPS crack illegal egg trafficking; An 'awakening' moment: a sleeping pill restores function to a brain-injured patient; A new class of 'forever chemicals' is an emerging threat to our health and environment.

Here’s how Canada’s grizzlies are faring during Fat Bear week; DNA testing confirms singing dogs aren’t extinct in the wild after all; A wasp’s gruesome egg-laying organ inspires a new medical tool; Too much information: a new book explores the paradox of the information age; Is a planet full of exhaling humans contributing to global warming?

Oil sands tailings ponds are toxic. Canadian-made nanotech could help fix that. Male baboons make friends with females for just one reason: a longer life. Less than a teaspoon of dirt could hold the history of an entire landscape. Tickling rats to improve animal - and scientists’ - welfare. Five ways the universe might die - including one that could happen at any time

In lethally violent ‘woodpecker wars’ some birds fight, and some just come for the show. Unlocking the secrets of jumbo squid hibernation might improve human medicine. Short, dark and southern — many Vikings aren't who you thought they were. Fast, effective and ethically distributed — what we need from a COVID vaccine

Fisheries biologist copes with the shutdown by drafting his kids as research assistants. A stranded plastic pollution researcher maps COVID litter in her own backyard. Studying sparrows - and launching a movement in support of Black scientists. Dangerous, difficult and disgusting — Tracking cougar kills gives insights into the big cats

Quirks & Quarks is on hiatus for the summer. Our podcast will resume with new programs in September. In the meantime, you can dig deep into the feed for programs you missed, or visit our website to listen to our archives online. Have a great summer

Another episode of the always fascinating, always fabulous, Quirks & Quarks listener Question Show. We're answering questions like: do viruses have predators? What do animals taste? How do you weigh the earth, and how do bacteria eat plastic?

Oumuamua could be a relic from giant clouds where stars are born (1:33). Female genetic superiority: when it comes to survival, two X chromosomes beat an X and a Y (9:55). Megadrought: will the southwest part of North America be parched for decades? (24:56) How scientists in Quebec are stepping up to fight a climate-related rise in Lyme disease (32:44). Web extras: A snake with a toxic surprise (54:17), the secrets of ambergris (1:01:59), and adapting coral to climate change (1:10:02).

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)

The key to early detection of COVID-19 outbreaks might be in sewage. (1:42) SpaceX takes humans to orbit, but who loses in the new landscape of space launch? (9:05) Experiment shows dogs might be willing to help you in a crisis, but they probably aren’t able. (17:55) Machine learning helps archaeologists identify the source of ancient poop. (25:33) Can we avoid an insect apocalypse with a new appreciation for creepy-crawlies? (32:16)