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During WWII there had been a global mobilisation of personnel. If medical checks and basic prophylactic standards had not been in place, any flu-like disease could have easily resulted in a global ...
If you want to wipe out 80% of the world's population with a disease that has an 80% fatality rate, then every person on the planet (or close enough to round up to 100%) has to catch it within the ...
How to design an electrical grid for a flare star planet? Initial discoveries about electricity on such a planet may lead to a circumspect approach to this sort of thing, because of the unpred...
Humans are actually very good at recognizing facial expressions and body language. While it's true that large numbers of people are terrible at it, it's only in comparison to the average human. A...
The creation of genetically engineered microorganisms for industrial and high-tech applications such as terraforming is certainly within the realm of possibility. However, there are several hurdles...
...once they reach a planet, they do research. Nope. They're doing research all the time. That's their full-time employment. Aside from the usual time off, it's nonstop research. Once they...
The best choice isn't on your list: Mastodons vs Woolley Mammoths. Both, unlike their Elephant cousins, do well in the cold. They represent two distinct species of the Proboscidean family. From...
The real question is, for how long? Short-term: Sure. A few days or even weeks is doable and shouldn't cause any lasting harm. Long-term: Only if you have to. There are consequences to your heal...
Start off with a safe village/colony. People living in the parts of rural Africa with wild lions will surround their villages with thorn bushes the lions don't cross (for example, acacia thorns in...
I recommend the Procoptodon: A giant cousin of Skippy the Bush Kangaroo. Attribution Wikipedia 2019 Licence a genus of giant short-faced kangaroo living in Australia during the Pleistocen...
Just tweak their physiology so something about doing it on the journey makes things dangerous. Or it takes too much time. Or maybe it's because of predators tracking them. Things are safer in ...
I'm reminded strongly of Iapetus, a moon of Saturn that has a dramatic two-tone coloring. One hemisphere is quite light, while the other is dark. It almost looks like you dunked half of the moon in...
The planet orbits its star normally but it has a moon whose orbit is such that the moon is visible from one side of the planet but not the other. The planet's day is long enough that the moon does...
You should read Ringo's Looking Glass series, which comes fairly close to dealing with exactly this question. The short answer is "see Nathaniel's answer"... but playing around with this will make ...
S-Waves The idea here is that instead of moving through the water like sound or EM waves, the waves here are generated in the ocean floor in the Local Comms-Node, and come out to whomever wants to...
Plants come in many colours anyhow, Chlorophyll making the base colour green for most, other pigments occur naturally too; Carotenoids - ranging in colour from yellow/brown to dark green, Betalain ...
The principle of the Two-Edged-Sword. The nanites were created for a purpose, to cure disease, prevent the ravages of ageing, to heal minor wounds and eliminate cancer and autoimune conditions. Me...
Eternal youth and immortality are two completely different superpowers. Eternal youth bestowed at the moment of birth is a curse. While the person could learn things, the lack of motor control an...
How do marine dragons evolve flight without any feathers and no hollow bones? Symbiotic Rocket Power. Symbiosis is defined as: any type of a close and long-term biological interaction b...
Why would ants unearth pieces of gold? What evolutionary purpose would this behavior serve? It makes their chimneys work better. The workers gather the gold and bring it to the colony. The ...
Like sharks replace teeth. The plates can be put on the armor in an overlapping scale pattern, with one plate visible, and another above it, protected by the overlapping scale. If a scale takes a h...
Temporary patches to cover weak spots and crumble away after an hour or two. Provides protection while the damaged spot can self repair and patch provides additional protection while still in plac...
Follow the lead of many many Science Fiction movies, TV shows, and books that create aliens or fantasy creatures as real beings and give them the ability to "possess" human beings and control their...
Genetic genealogy testing can already identify people as belonging to various minority ethnic groups. Some are better than others. For example, Ashkenazi (generally, Jews with Eastern and Central...
The two hormones that can change height in a growing prepubescent child are: Human growth hormone Testosterone With HGH, it is often given to children who have Growth Hormone Deficiency or to c...
