Posts by Green
It's well known that Mars has a very weak atmosphere as a result of billions of years of solar wind bombardment. Mars lacks a sufficiently large magnetic core to generate a magnetosphere strong en...
We know from the International Pronunciation Alphabet (IPA) and the research that gave us the IPA, what sounds typically used in human speech (certainly not all sounds that can be made). This is al...
Starting with a creature and its environment, how does one create its psychology? Evolutionary biology and evolutionary psychology attempt to explain attributes that we observe in our fellow human...
Humans as Ambush Predators Homo sapiens and many of our ancestors practiced a form of hunting known as persistence hunting where we just walk after an animal till it keels over dead from exhaustio...
How to get humans that can change their skin color? Approximately 1.6 million years ago, hominids lost their hair and gained dark skin (so says the New York Times). Evidence shows several several...
Which solvent to use for metal nerves? Based on this answer on to how to evolve biological radios, the answer states that if creatures in an ecosystem utilize metal for electrical transmission ins...
Chlorophyll as we know it on earth is estimated to be between 3% and 6% efficient in converting light energy to useable biomass. This support slow growth and no movement of plants like that observ...
Tidally locking a rock or metal moon isn't too hard and the understanding of how a solid moon behaves while tidally locked is relatively well understood. However, can a water moon be tidally locked...
Earth has an iron-nickel core which gives us a magnetosphere. Based on this question that replaces our iron core with a mercury core, would we be likely get a magnetosphere? Mercury is highly cond...
Radio Thinkers Creatures that communicate by biological radio pops up in science fiction occasionally and it's a fun idea. However, there are some practical concerns with regards to evolving a ra...
A secret organization operating out of an undisclosed location for an undisclosed parent organizations have invented a "convince-me" ray gun (CMRG) that works by an unknown mechanism. After an ide...
Here on earth, the moon is this big white thing that lights the world and hangs in the sky. Every culture on the Earth has incorporated the moon into some of their legends. Sometimes as a woman, so...
Conspiracy theorists love to talk about a group called the Illuminati that pull the strings of world events. While there have been several real (and many more imaginary) Illuminati groups, what wo...
An alien race, for reasons of their own, have decided that it's important to make the third and fourth planets in our solar system about the same size and mass. Since they have a strict moratorium...
Does the following progression/collection of technologies make sense on the way to an artificial womb? The central assumption to this question is that the female body is a delicate, complicated ma...
It's well established that the human body does not do well in zero gravity. Symptoms such as fluid loss, muscle atrophy, bone mass loss are well known. Less well known problems extend to such mun...
Perhaps you've flown in a plane on an especially cloudy day when all you can see are clouds beneath and above you. It's a beautiful sight, strata'd white all around. So what if the plane were flyin...
Many questions on Worldbuilding have posited different reproductive strategies that often result in the virtual enslavement of females (when there are females involved). On Earth, normal human biol...
A global epidemic of H1Z2 virus has rendered 95% of the population into zombies. The zombies have lost most of their frontal and temporal lobes so the following capabilities are either severely de...
Modern human mothers can now choose the sex of their children, without surgery or procedures. For every pregnancy, the sex of the fetus must be chosen. In a culture that has a strong preference for...
I'm looking for a way to render a large percentage (30 to 50%) of Earth's human population infertile in about 10 years. Medicine and tech levels are approximately where they are now, maybe slightl...
Deposing the new Robot Overlord Some people just can't leave well enough alone. The Robot Overlord has executed its programming of the Zeroth Law and the Three Laws of Robotics for the previous t...
So, it's happened. We have a robot overlord who follows the 3 Laws of Robotics + the Zeroth Law of Robotics. How we got such a thing or the process by which it makes its decisions is outside this...
We have modern humans found in a near future, first world country on Earth. The primary technological advancements are in the form of extremely cheap and fast genome sequencing ($10USD/genome) and...
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