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4 votes

How many miles/km of tunnels would be required to replace all airports in the world

This is a Frame Challenge The only way for this to make any sense is for the tunnels to allow faster and more convenient transport than the equivalent airborne transport. Unfortunately, we must assume ...
JBH's user avatar
  • 124k
3 votes

Could chromatophores function suspended in fluid?

Not really They'd have to be single cell organisms (or really small multicellular) but then they wouldn't be in a matrix so couldn't make patterns. What you'd end up with a liquid that could make ...
Thorne's user avatar
  • 47k
2 votes

How many miles/km of tunnels would be required to replace all airports in the world

That depends on the traffic patterns. If I were to travel from Hennigsdorf, Brandenburg, Germany to Randolph, New Jersey, USA, I might take a tram to the train station, a regional train to the airport,...
o.m.'s user avatar
  • 116k
2 votes

How would geometric leaves and flower petals evolve?

These Plants evolved in an environment of extreme competition for sunlight, and growing a completely opaque canopy became their "weapon" of choice. They would grow a perfectly flat, umbrella-...
Going Durden's user avatar
  • 3,956
1 vote

Possible binding agent for Chlorine in blood?

Hemoglobin Hemoglobin already has allosteric binding sites for chlorine. Some exotic variant could certainly bind and hold chlorine for use in cells.
Nepene Nep's user avatar
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1 vote

Possible binding agent for Chlorine in blood?

Chlorine is hyper reactive- so literally everything is a binding agent. Proteins. Fats. It clumps up and is dead matter. If you had that in blood, you need a entirely different chemistry to build the ...
Pica's user avatar
  • 4,598
1 vote

How would geometric leaves and flower petals evolve?

“I'm less concerned of why they might evolve this” … Unfortunately, with evolution, how is why. Why does geometric leaves benefit seeding the next generation? The only idea I’ve been able to ...
SRM's user avatar
  • 25.5k
1 vote

Evolution of classic giant mushroom forests

Welcome to the wonderful world of hybrid biology. Take something simple- like a lichen https://en.wikipedia.org/wiki/Lichen - its a fungi that brings along algae + cyanobacteria to produce sugar via ...
Pica's user avatar
  • 4,598
1 vote

Evolution of classic giant mushroom forests

Maybe the huge mushroom structures that we associate with the classic mushroom shape is only produced to shade the actual smaller spore producing structures from too much light. they grow tall and ...
Gillgamesh's user avatar
  • 6,083

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