Science… how does it work? The actors in these stock photos certainly don’t know. Next time, let’s leave it to the professionals.

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Photo Credit: Twitter: @DrHeffo

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Photo Credit: Twitter: @DrErinWill

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Photo Credit: Twitter: @LizTunbridge

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Photo Credit: Twitter: @materialsgrrl

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Photo Credit: Twitter: @KateAdamala

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Photo Credit: Twitter: @dhsimmons1

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Photo Credit: Twitter: @IvancoTammy

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Photo Credit: Twitter: @ChrisStantis

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Photo Credit: Twitter: @alperezqui

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Photo Credit: Twitter: @drburns1212

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Photo Credit: Twitter: @NoroNerd

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Photo Credit: Twitter: @powerofplants3

h/t: MentalFloss

Unlike in these stock photos, scientists do some pretty cool things, like figure out exactly how long to dunk an Oreo in milk.

We Now Know Exactly How Long to Dunk an Oreo in Milk, Thanks to Science