Biology
Exploring "Why" questions about Biology
482 articles
Why aren’t Hydrogen Fuel cells being used in place of Lithium-ion batteries?
Electricity can be had pretty much anywhere for recharging your battery; hydrogen for refilling your fuel cell is pretty much nowhere.
Why don’t I have cell reception in hospitals?
I do IT in a major hospital. I can answer this. The walls are super strong and/or thick.
Why is it that lakes/ponds around the world have fairly similar fish, instead of them each having their own unique species of fish like land ecosystems do for animals?
The water in the lake came from somewhere. Most lakes are fed by rivers and streams, or were originally parts of a river network as is the case with [oxbow lakes.](_URL_0_) A lake that was completely
Why does silver kill bacteria?
[The complicated answer is here.](_URL_0_) The quick answer is that silver ions like to stick to parts of enzymes that microbes use for making energy. When the silver gloms onto the enzyme it becomes
Why does it seem like video games from the newest generation seem to have far more bugs and glitches than previous generation games?
A few factors ... * New games are way more complex. This means more code, and as the number of bugs per LoC is pretty static you get more bugs.
Why are novel adaptations of movies so uncommon?
In the old days before VCR's were common the only way to re-experience a movie that was no longer in the cinemas was to watch it on TV once a year, or, for a more regular experience, read the noveliza
Why can’t over-the-air radio or television be received on cell phones?
They do have FM receivers. But they're disabled because carriers want to be able to charge you for data you use by streaming audio _URL_0_
Why didn’t the British just send troops into the Boston and Philadephia harbors and squash the American Revolution in it’s main cities?
Several reasons - 1 - It was horrendously expensive. Like... really expensive.
Why we can’t regenerate our limbs when ripped out as lizards do?
When humans were in the uterus, there were embryonic stem cells that divides into different cells and eventually built every parts of a human. When we're born, all the embryonic stem cells turned into
why do elder generations regard aesthetics so highly? (Some text inside)
The ways this questions is written, it sounds like, when you say "elder generations", what you really mean is "my parents".