Delayed Tweet Phase Disorder

Up all night? Maybe it’s a family trait! #sleep #genes #nightowl #insomnia #whycantisleep

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Coming Up: Faking Dead

Would you fake your own death to avoid sex? It works for dragonflies! @UZH_Science #nomeansno #entimology #animalbehavior #mating

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Sibling rivalry starts much earlier than you think!

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