Biology Weekly Newsletter
Biology Weekly Newsletter

Top new questions this week:

What portion of the electromagnetic spectrum do cats see?

I have seen numerous articles and various information about how cats and dogs see into the ultraviolet spectrum with interesting artistic renderings such as this: ...

eyes vision feline  
asked by ylluminate 12 votes
answered by AliceD 13 votes

Doing a medical study on yourself?

What research guidelines is a person legally mandated to follow if they want to do medical experimentation on themselves? There is a large amount of variation in the types of medical experiments so I ...

medicine experimental-design research-process methods ethics  
asked by Skyler 11 votes
answered by AliceD 12 votes

The Uniqueness of DNA Paradox

How can everyone have unique iris and fingerprints? After a certain amount of human beings have lived on earth, wouldn't it be possible to exhaust all possible combinations? The same principle ...

dna human-genetics phenology forensics iris  
asked by Gordon 11 votes
answered by March Ho 20 votes

How can we predict protein folding in silico?

Currently, there is a lot of research focused on solving the folding patterns of proteins using computers (Folding@Home,, etc.). The question that I have is: How do you know ...

molecular-biology bioinformatics proteins protein-folding computational-model  
asked by Stack Tracer 9 votes
answered by Good Gravy 9 votes

Are flowers / flowering plants vital to all life on Earth?

Not a biology student so forgive me if this is a very basic question. Are flowering plants (angiosperms) vital to all (or most) life on Earth? In other words, if flowering plants disappeared, would ...

asked by 0xSina 9 votes
answered by Corvus 18 votes

Are blood vessels organs?

Are blood vessels classified as organs? Organs compose of 2 or more tissues and perform a certain function. Blood vessels have 3 different tissues and perform a function (transport blood), yet I do ...

terminology blood-circulation  
asked by cherry8.8vanilla 8 votes
answered by The Nightman 9 votes

Solubility of DNA in water

This would seem to be an easy to answer question, but I was unable to find an answer (in g/L) for generic double-stranded DNA or plasmid neither on Google nor on BioNumbers. I would expect the ...

biochemistry dna  
asked by March Ho 8 votes
answered by Good Gravy 8 votes

Greatest hits from previous weeks:

What's the maximum and minimum temperature a human can survive?

This is a question that has been in my mind since I was a kid. I'm not a doctor, nor even a biology student, just a curious person. What is the minimum and maximum temperature a human body can stand ...

human-biology physiology temperature  
asked by Bugster 32 votes
answered by Rory M 21 votes

How does laughing gas (N₂O) work?

Laughing gas (N2O), well, makes people laugh. How does just a gas make us do that, there has to be some hormones at work... So, I wanted to know how this works? What is the mechanism?

human-biology pharmacology  
asked by Ashu 27 votes
answered by Rory M 30 votes

Can you answer these?

Recommend any Molecular lab LIMS (Laboratory Information Management System)

We are looking to develop or customize a LIMS for our molecular lab. Do you know of a LIMS that you've used in a molecular lab before, or one that could be used. Thanks for the help (Edit) Some of ...

molecular-biology molecular-genetics lab-techniques  
asked by squid_a 1 vote

Do High Iron Stores (but within the healthy range) Make Sun Exposure Damage Worse?

Ultraviolet damage from sun exposure is related to the creation of free radicals. Iron is often involved in exacerbating damage by free radicals. Having lower iron stores is associated with reduced ...

asked by A guest 2 votes

What effects would be caused by exposure to common life forms with opposite enantiomer biology?

Pretend a human had their body "reflected": heart on the wrong side, etc.; but also at the biochemical level: proteins, sugars, cells, DNA, everything. What would the effects be of that human's ...

biochemistry proteins food protein-binding protein-folding  
asked by Trixie Wolf 2 votes
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