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Get up to date with the latest research news by listening to Podcasts from science journals/journalists. You can find...
Apr1-12 03:22 AM
bobsmith76
10 20,160
Introduction to Evolution The study of evolution has dominated the field of biology for over a century. Explaining...
Oct25-11 11:42 AM
Ryan_m_b
0 13,909
reference, websites Sticky Thread Pinned: Reference websites ( 1 2 3)
Take a look at this website, it has some really neat Clips, Stills, and Slides of small life forms: ...
Jan10-14 02:09 AM
boymilk
43 58,106
We've recently gotten a number of biologists on board here, so I thought it would be a good time to do a quick survey...
Feb15-14 08:57 AM
MathsMind88
185 90,590
First of all, why do cell die? Should it live forever? I am guessing that by the time cell indicates it needs food,...
Nov17-07 07:54 PM
Spirochete
11 7,645
E.g. you cut yourself in the finger. The cells seems to know they will become part of your finger. (No lung tissue...
Jun7-13 03:51 PM
DiracPool
13 1,854
Ok hydrogen ion gradient drives ATP synthase. In secondary active transport the preexisting concentration gradient...
Nov23-09 09:56 AM
somasimple
4 3,875
When something is born, how is it "turned on"? Is it simply the connection of the two gametes during fertilization...
Jan13-05 10:33 AM
thunderfvck
11 1,396
How does a stomata work during the night time?
Jul5-10 10:41 AM
zomgwtf
2 1,090
Just wondering how does algae get into my pool? Is it transported through insects from other bodies of water or...
Jul10-08 10:34 AM
hypatia
4 8,352
Hello everyone, Ok this develops from an embryo and provides nutrients until placenta develops right? My question...
Jun18-10 05:00 AM
sameeralord
0 2,817
Hello everyone, I saw this in something I read recently. The infection could cause thrombosis. Ok my question is if...
May23-10 10:41 AM
sameeralord
0 1,887
When a foreign protein is introduced in a rabbit or a mouse, its immune system attacks the protein by antibodies which...
Sep10-12 05:53 PM
Darwin123
3 1,409
As title suggest. Thanks :smile:
Feb15-11 10:28 AM
nismaratwork
11 4,661
Hello guys, I checked coagulation but I can't find the explanation of how blood (serum) suddenly turn into solid?...
Apr7-10 11:42 PM
sameeralord
6 4,033
I'm curious to know how much energy a brain will use depending on the different activities it's doing. Sleeping...
Aug3-12 07:56 PM
Pythagorean
5 1,445
Im only 15. I know a bit about cancer, but i cant find anywhere how it actually kills you. I understand metastasis;...
Feb23-12 11:19 AM
Ryan_m_b
17 40,857
After some poking around I found this article<sup>1</sup> suggesting that chloral hydrate somehow has a hypnotic...
Sep9-11 07:01 PM
treehouse
1 2,361
How does circular DNA wrap around a histone to form a chromosome? Or does it? I am having a hard time visualizing...
Jul31-13 03:37 AM
Manish7
4 2,161
How exactly does this work???
Feb24-04 10:01 PM
zoobyshoe
16 2,216
Ok, so how does DNA build things? Say, even something as simple as a virus. The virus inserts its DNA or RNA or...
Apr20-04 02:19 PM
Monique
1 2,480
It is proven, populations evolve when they enter a different environment. When you as a half-fish half-amphibia...
Feb2-10 05:07 PM
zomgwtf
24 8,612
How does elastic recoil of arteries stop blood pressure going to zero and artey collapsing? Thanks :smile:
Feb11-10 07:40 AM
sameeralord
6 8,699
Hello everyone, Ok so electricty must flow through ions in the body right, I have some questions about this. From...
Jun4-10 01:51 AM
somasimple
42 14,588
We're usually just told that exercise is a great way to stimulate the movement of glucose into cells. But how does it...
Nov16-13 04:56 PM
SW VandeCarr
5 2,013
Is there anyone who knows on how's the information being transferred from eyes to brain? I'm not asking about how a...
May3-10 11:35 AM
Andy Resnick
5 4,296
Does the glucose synthesised inside the chloroplast diffuse into the cytplasm to be used by whatever part of the cell...
Feb24-04 01:38 PM
nautica
1 2,862
If you have an animal, such as a Horse or rabbit which feeds on Hay, what (if any) nutritional difference is there...
Oct1-13 07:15 AM
256bits
10 1,430
how does Helicase unwind the dna strands?what is the chemical Process involved?what is the chemical reaction?
Jul21-11 02:23 PM
That Neuron
2 1,974
In a nasal infection how does histamine produce more mucus. Are their histamine receptors in the mucuous membrane? How...
Jul30-09 09:12 AM
sameeralord
0 2,725
hi all, I dontn know much in biology. The way messages are transmitted in our nerves has always amazed me. Can...
Nov19-03 07:57 AM
iansmith
4 2,476
Hello everyone, Quick question. I can understand proteins are needed to make everything in the cell, so if you...
Aug10-10 07:50 PM
bobze
1 3,530
How does microgravity affect us, in paricular our cardiovascualar system and heart functioning?
Dec17-04 05:16 AM
Jikx
4 1,814
If I close my eyes (so as to remove my sense of sight) and spread my fingers so they do not touch (so as to remove...
Sep27-12 07:24 AM
Ryan_m_b
7 1,226
Hello everyone, I can understand how liver failure can cause jaundice, but not vise versa. Please help. Thanks ...
Nov17-10 10:02 PM
sameeralord
2 3,014
Pneumonoultramicroscopicsilicovolcanoconiosis..
Oct11-05 05:38 AM
Ophiolite
6 11,282
Does this mean if someone comes into contact with faecally contaminated matter of an immunised polio person, that...
Apr19-12 09:57 AM
Shootist
2 2,020
How does pH change affect cell membranes?
Mar21-10 09:41 PM
James1231
0 3,548
How does RNA "know" which DNA strand is the template strand?
Apr8-08 01:03 PM
JonMoulton
2 1,520
How does RNA polymerase "read" DNA? What i mean is ,after all,the polymerase is just a molecular complex,not an...
Aug23-11 06:45 AM
That Neuron
14 4,260
Hello guys, I know they are dead cells, but how come all the dead cells don't fall and only some do. If these cells...
Apr7-10 10:22 AM
sameeralord
0 1,294
http://www.newscientist.com/article/mg20527426.300-designing-highways-the-slime-mould-way.html I watched a bbc...
Sep8-13 03:05 AM
Romulo Binuya
14 4,719
Hey all! I am having a hard time finding a few specific answers, so thought I would give you biology nutz a...
Nov16-12 09:18 AM
Ryan_m_b
4 1,157
Recently I saw an article about sled dogs burning 10,000 calories in a day. Even when adjusted for mass, this is...
Jul14-12 02:37 PM
Darwin123
2 1,514

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