Biology
Exploring "Why" questions about Biology
483 articles
Why are men, in general, hung up on penis size?
It's cultural. The ancient greeks preferred a smaller penis on a man. Granted, they also preferred a smaller penis on a boy, but that's not relevant here.
Why are white rats mainly used for studies instead of other rodent species?
Lab rats are often of a particular strain, or a family that mice are taken from that are as genetically identical as possible. This is to be able to conduct effective studies on the effect of individu
Why Paper Is Generally White?
Paper is bleached during the manufacturing process because colors stand out better against a white background.
Why do anti-virus and malware programs move the virus and malware files to quarantine instead of deleting them?
For a few reasons: 1. false positives. 2.
Why can I take high quality videos with my cell phone, but security cameras still produce a very low quality and fuzzy image of people?
Because security footage is recording 24/7 there is only so much room on a hard drive for the video. Most security systems will only keep video for 5 or so days before re-recording newer video. If the
why tattoos last a lifetime when the body regenerates cells and layers of skin always move toward the surface and become replaced
The pigment isn't broken down by proteins in the skin. As the skin replenishes itself, the pigment is pushed up with it. The process isn't perfect.
Why we can’t cure viruses (like herpes)
Other parasites can be killed through either poison, suffocation, or destroying their cells. Viruses are not complete cells nor do they breath or eat like other organisms, they are just DNA or RNA inv
why do some species have much larger females, and some species have much larger males?
animals that claim territory need big males to defend it and animals that are more solitary need big females that defend themselves.
Why isn’t there a hybrid offspring when one species mates with another?
A horse and a donkey mating produces *mules*. Surely you have heard of mules. Most species cannot interbreed due to different chromosome count, unpaired chromosomes, or cellular chemistry (sperm needs
Why while cell phones continue to get slimmer, house phones are still bulky?
Because cell phones are portable, they are small and compact by design. House phones are bound to a nearby outlet anyway, so size doesn't matter