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Science & Medicine

This Week in Evolution

Vincent Racaniello

This Week in Evolution is a podcast on the biology behind what makes us tick.

Episodes

20 of 106 episodes

TWiEVO 130: The Stickleback Shuffle

Nels and Vincent explain a study showing unique site-specific and shared habitat-level adaptation in a classic system of repeated evolution,...

01:14:17Oct 6, 2026

TWiEVO 129: How avocados do it

Nels and Vincent discuss the finding that balanced polymorphism in a floral transcription factor underlies the ancient rhythm of daily sex a...

01:27:12Aug 31, 2026

TWiEVO 128: Ready, set, cell

Nels and Vincent discuss a chemically defined synthetic cell capable of growth and replication. Hosts: Nels Elde and Vincent Racaniello Subs...

01:18:17Jul 23, 2026

TWiEVO 127: The barley knew what to mildew

Nels and Vincent discuss molecular mimicry of a pathogen virulence target by a plant immune receptor. Hosts: Nels Elde and Vincent Racaniell...

01:16:42Jul 23, 2026

TWiEVO 126: Beyond Inheritance with Roxanne Khamsi

TWiEVO 126: Beyond Inheritance with Roxanne Khamsi June 1, 2026 Science journalist Roxanne Khamsi joins Nels and Vincent discuss her first b...

01:27:33Jun 1, 2026

TWiEVO 125: Evolution's egg timer

Nels and Vincent discuss the development of a comprehensive transcriptomic atlas of early embryogenesis from 61 animal species to understand...

52:59Apr 26, 2026

TWiEVO 124: The little ribozyme that could

Nels and Vincent discuss the discovery of a short RNA with the ability to catalyze its own synthesis. Hosts: Nels Elde and Vincent Racaniell...

01:18:15Mar 19, 2026

TWiEVO 123: Stinkbug eggs with a schmear of fungus

Nels and Vincent explain how stinkbug females smear fungus on their eggs to protect them from wasp parasitism. Hosts: Nels Elde and Vincent...

01:21:37Mar 19, 2026

TWiEVO 122: The evolution of selfishness

Nels and Vincent explain how selfishness evolved multiple times from an essential tRNA synthetase gene in a nematode. Hosts: Nels Elde and V...

01:15:21Feb 2, 2026

TWiEVO 121: AI imagines viruses

Nels and Vincent examines the use of AI and genome language models to design novel derivatives of bacteriophage phiX174. Hosts: Nels Elde an...

01:42:23Jan 8, 2026

TWiEVO 120: Sparkle pony

Nels and Vincent explain research which shows that insertion of a retrovirus into the genome regulates a novel color trait in swordtail fish...

01:46:18Jan 8, 2026

TWiEVO 119: Drive fast, take chances, and encode a Y chromosome

Nels and Vincent explain research attempting to explain why among humans, females around the world live on average 5 years longer than males...

01:21:15Nov 4, 2025

TWiEVO 118: Mother of an unrelated brother

Nels and Vincent discuss research which shows a shift from the rule that living organisms produce same-species offspring: an ant that produc...

01:49:08Oct 14, 2025

TWiEVO 117: Genes that don't leave

Nels and Vincent discuss research on hidden evolutionary constraints that dictate the retention of coronavirus accessory gene, which was fla...

01:38:13Aug 20, 2025

TWiEVO 116: An ant and two fungi walk into a bar and meet a naked mole rat

Nels and Vincent review research on how neuropeptides influence the behavior of leafcutter ants, and regulate the different caste behaviors...

57:23Jul 23, 2025

TWiEVO 115: Even the archaea are going viral

Nels and Vincent discuss an ultra reduced archaeal genome, the closest cellular entity to date that approaches a viral strategy of existence...

01:28:58Jun 18, 2025

TWiEVO 114: The best experiments ever done

Nels and Vincent review the properties of Mendel's pea genes through the lens of modern genetic analysis. Hosts: Nels Elde and Vincent Racan...

01:31:54May 21, 2025

TWiEVO 113: A wolf in wolf's clothing

Nels and Vincent explain the ancestry and evolution of the extinct dire wolf. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Appl...

01:27:05Apr 23, 2025

TWiEVO 112: Sex-Z cephalopods

Nels and Vincent explain the ancient evolutionary origin of sex in cephalopods. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Ap...

01:27:25Mar 26, 2025

TWiEVO 111: Copy that, genome

Nels and Vincent explain how template switching during DNA replication is a widespread source of adaptive gene amplification. Hosts: Nels El...

01:26:51Feb 26, 2025