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Ask Dr. Universe: Caterpillar soup inside a chrysalis

Dr-Universe-230PULLMAN, Wash. – Springtime sets the stage for one of the greatest transformations in the natural world.

“It’s the construction of a butterfly or moth from caterpillar soup,” said my friend David James, an entomologist at Washington State University. He studies the science behind metamorphosis, or how a creature transforms.

Before becoming butterflies, caterpillars enter the pupa stage where they build that little sack, called a cocoon or chrysalis. The chrysalis protects the caterpillar as it begins to turn itself into a liquid, soupy substance.

Read all of this Ask Dr. Universe column here.

 

A service of WSU, Ask Dr. Universe answers some of the most interesting, tough and smart questions from curious kids all around the world.

 

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Celebrating first‑gen Cougs: WSU Spokane

In the days leading up to National First-Generation Day on Nov. 8, the WSU Insider is featuring first-generation students, faculty, and staff on each of the university’s campuses.

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Celebrating first‑gen Cougs: WSU Spokane

In the days leading up to National First-Generation Day on Nov. 8, the WSU Insider is featuring first-generation students, faculty, and staff on each of the university’s campuses.

New initiatives increase pronoun visibility at WSU

WSU is celebrating LGBTQ+ History Month and International Pronouns Day with new initiatives that will allow students to include their pronouns on class rosters and CougarCards.

WSU adopts new guidance on campus gatherings

Proof of vaccination or a negative COVID‑19 test within the past 72 hours will be required to attend large gatherings on campus or in WSU facilities beginning Nov. 15 for everyone 12 and older.

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