Biology
Exploring "Why" questions about Biology
483 articles
Why do animals live so long? Wouldn’t it make more sense to die after mating early in life as to have more gene turnover?
Evolution does not work based on what "makes more sense". And generally, there is no great advantage to a "higher gene turn over". It is all about one generation successfully passing their genes along
Why isn’t Russian general science/technology anymore advanced when they are 2nd in military technology only to the U.S?
Because for the last 30 years, Russia has dumped all their money on military supplies to compete with a much wealthier nation- The United States. They've always been a government first country, where
Why are toy stores been driven to extinction? (Eg Toys R US)
Amazon. There is simply no way for them to compete with online shopping. It’s happening to all the brick and mortar stores, but especially ones like toy stores where you don’t really need to see the p
Why does having 3 sex chromosomes result in down syndrome instead of a 3rd biological sex?
That's not what Down syndrome is. Down syndrome is when chromosome 21 has an extra copy. It has nothing to do with sex chromosomes.
Why hasn’t ‘natural selection’ weeded out all the animals that think it’s safe to cross the road?
We've had road crossings for about 110 years now, and only a lot of them with a meaningful amount of traffic for maybe 50. Even today the majority of a given species lives mostly away from roads. 100
Why are panda bears becoming extinct?
Unfortunately pandas have very long reproductive cycles (the female may only be 'interested' once or twice a year in some cases). This means that their populations are particularly sensitive to disrup
Why is it that Pewdiepie makes a few edgy jokes, and Disney cuts their ties that I didn’t even know existed with him, yet Jake Paul is allowed to run all over LA causing trouble and being a general…
Such decisions are based 100% on financial impact. No one seems to care about whatever Jake Paul is doing, or associates him and his behavior with his show. The Pewdiepie stuff went viral, so Disney h
Why do depictions of religious figures generally (in the UK at least) portray them as white people, when they would have been black?
What color is the skin of most of the people who make and utilize those drawings? Theres your answer
Why do the body-cells age?
A few reasons. The most straightforward is that every time a cell copies it's DNA, it uses up a piece of the tail at the end of the DNA called the *telomere*. When a cell is out of telomere, fragments
Why is it so much more common to see people in Asian countries wearing masks during a virus outbreak as opposed to America?
Here in Korea, we have atleast 2 outbreaks each year. Because people started to wear masks so often, its basically fashionalbe to wear it now. I think the pollution from china also has a play in this