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Hungry giraffe
insights puzzle

Solution: ‘Darwinian Evolution Explains Lamarckism’

How Darwinian natural selection can produce and sustain a Lamarckian “inheritance of acquired characteristics.”

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Can Darwinian Evolution Explain Lamarckism?

Answering three questions can help reveal how the “inheritance of acquired characteristics” fits into modern evolutionary theory.

Illustration: black, numbered cats crossing a calendar. An extra "13" lurks in the background.
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Solution: ‘Friday the 13th’

There’s more than one good way to bring order to our unruly, seemingly arbitrary calendar.

Illustration: black, numbered cats crossing a calendar. An extra "13" lurks in the background.
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Is It Friday the 13th Again?

How our society defines years, months and weeks can seem frustratingly arbitrary. Can you bring order to our unruly calendar?

Still illustration: changing genes
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Solution: ‘A Ticking Evolutionary Clock’

How to calculate when a gene’s rate of evolution will slow to a crawl.

GIF illustration: changing genes
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A Ticking Evolutionary Clock

How quickly will a gene’s rate of evolution slow to a crawl?

Illustration: balloon modelling as a metaphor for entanglement
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Solution: ‘Taming Quantum Weirdness’

A simple analogue could offer insights into one of the most astonishing results of quantum mechanics.

Illustration: balloon modelling as a metaphor for entanglement
insights puzzle

How to Tame Quantum Weirdness

Can balloon animals help blunt uneasy feelings about “spooky action at a distance”?

Illustration: bucket half-full of amoebas.
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Solution: ‘How Many Half-Lives?’

When do negative results from a half-life experiment mean a theory is dead?