Biology
Exploring "Why" questions about Biology
483 articles
Why are adult websites so infested with viruses and adware?
Viruses lurk in lots of ads that tempt or trick you into clicking through. Porn is a category like this, where the user isn't thinking clearly and might eagerly click on whatever link promises XXXExac
Why do objects generally appear “darker” and “shinier” when they’re wet?
water that is on the surface is reflecting light (shiny) water that is "inside" the material is absorbing light and reflecting most of it into the material (darker)
why is there no yy chromosomes?
The woman has the XX, while the man has the XY chromosome pair. A man can inseminate a woman and pass on either the X or the Y, while the woman always provides an X.
Why wasn’t procrastination eliminated by evolution?
Because there's nothing evolutionarily wrong with sitting around and not expending energy until you're forced to. That sounds like a pretty good survival strategy.
Why do you sometimes wake up and your mouth feels fuzzy with bacteria, but this never happens during the day?
Eating, drinking, talking, and just salivating help wash clean mouth surfaces while awake. One would hope all of these are sharply reduced during sleep.
why are there so few games developed for current generation consoles compared to in the days of PlayStation 2?
Not an expert, but a gamer I believe this shift could be caused by more people having access to pc's and phones, especially phones. You would be hard pressed to find a phone without any games installe
Why can’t we become immune to acne causing bacteria?
Well for one thing, acne is an immune response. Even if you are immune to a bacteria your body has to take steps to fight it, it's just when it's an internal bacteria you don't notice the steps your b
Why is hotel internet/cell service always so terrible.
Lots of people concentrated in a small area all trying to use the same resources at the same time. Want fast hotel internet? Try it at 10 am on a weekday (if there are no conferences going on).
Why do US States have their own Attorney General while the White House has their own (US AG)?
I wouldn't call it the "white house" attorney general. It's the federal attorney general. There are state laws and there are federal laws.
Why is it that Macintosh computers are allegedly not susceptible to viruses, while PCs are?
The oft-given modern answer detailing the market share of Windows and the familiarity of the platform wrongly focuses on the ease of distribution, not the ease of infecting the system. Windows was bui