SortStack #959 — 2029-01-23

By weight · Order from lightest to heaviest.

1. An unfed female mosquito 2.5 mg

   After a full blood meal a mosquito can double or even triple her weight — and still fly away with the loot.

2. A large cast-iron skillet 2.5 kg

   Well-seasoned cast iron is essentially a natural nonstick polymer baked onto metal; some American pans have been in daily use since the 1800s.

3. A full backyard barbecue propane tank 17 kg

   The familiar grill tank stores propane as a liquid; on a hot summer day the pressure inside can roughly triple.

4. An adult Dalmatian 25 kg

   Dalmatian puppies are born completely white; their famous spots only appear after a few weeks.

5. An adult giant panda 110 kg

   Pandas spend up to 14 hours a day eating bamboo because they digest only about a fifth of what they swallow.

6. A Thoroughbred racehorse 570 kg

   At full gallop a racehorse's heart pumps roughly 240 liters of blood per minute — ten times its resting rate.

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