This week鈥檚 new questions
Why do no other aquatic animals grow to a huge size like whales do? And could harvesting solar and wind energy change the planet and become harmful?
Regulars
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Why do no other aquatic animals grow to a huge size like whales do? And could harvesting solar and wind energy change the planet and become harmful?
Why do some of our organs come in pairs, such as kidneys, while we only have one heart and one liver? And if octopuses evolved to live on land, what are the chances they would develop technology?