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Jan16-12 Greg Bernhardt
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 19,337
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 72,062
has science found any documented proof that drinking green tea every day has health benefits for you? If so what are...
Aug25-05 08:00 PM
Evo
34 3,331
http://biopsychiatry.com/greentea.html Does EGCG really reactivate dying skin cells? How much would it help...
Jul18-08 01:15 AM
bioquest
0 1,213
Why do grocery store owners spray fresh fruits and vegetables with water?
Sep17-06 07:36 PM
Evo
1 3,881
Like mosses, can liverworts be introduced into a new area by being blended up in a slurry with buttermilk and poured...
Aug13-08 09:46 AM
jim mcnamara
1 1,695
I noticed the latest craze is to grow tomatoes upside down, so I though I'd try it. But in Biology of Plants class,...
Apr25-11 10:56 AM
mishrashubham
1 2,591
Hi Folks I am not sure if this is the right place to post please helep if you can : Plants, trees, corn etc. all...
Feb15-04 08:42 AM
dprasad
2 1,369
In humans, what exactly will happen to a young teen if he/she does weed and alcohol? Like will their growth stop such...
Dec14-06 07:20 PM
fedorfan
2 3,693
Has anyone read this? http://www.guardian.co.uk/life/feature/story/0,13026,1187579,00.html To my eyes, this...
Apr17-04 01:23 AM
toloXXX
8 1,959
Hello, I am a layman in biology with a good notion of method only. My background is in linguistics (don't run away...
Jun17-14 01:01 PM
Hlafordlaes
15 3,611
Are there plans to treat the BP oil spill with oil-eating bacteria? ...
Jun18-10 10:28 AM
nismaratwork
12 6,726
FOr the light dependent reaction, In the textbook it says that the H+ concentration gradient across the thylakoid...
Mar25-05 01:17 AM
garytse86
7 2,063
I had a thought last night as I was finishing my second litre of water. Is it possible to drink too much water?...
Mar12-05 03:34 PM
misskitty
7 997
Hey guys and gals, Just wondering if you could tell me wether or not their are any environments that give exothermic...
Oct20-05 09:08 AM
pattylou
3 1,338
if anyone can find info on how to hack into a msn chatroom thatd be great.
Mar26-03 06:42 PM
Monique
3 1,889
Now here is the question. We know that CO is a toxic substance if inhaled, But why ? The explaination i heard said...
Mar21-03 10:49 AM
STAii
11 2,765
My text book says that thromboplastin which is produced by damaged tissues acts as the catalyst to convert prothrombin...
Jun29-04 12:20 PM
Monique
6 1,697
Why do you get haemolytic disease in a baby ( not first baby) if the mother is Rh- and her anti D antibodies cross the...
Nov7-04 01:36 PM
Cheman
1 1,695
I would like to know what might be the reasons for one's hair color to automatically change... Why does it happen ? ...
Jun8-04 11:40 PM
Pattielli
0 1,042
i have just learnt from my biology class that Sulfur plays an important role hair structure, but I am still looking...
Jul26-04 05:54 AM
iansmith
1 3,363
Can someone explain to me why there are difference in humans hair color? Why black and blond and brown and red only? ...
Aug17-07 12:09 PM
Reality_Patrol
2 2,934
The hair on my head grows longer and longer while other hairs, like arm hair, only grow to a much shorter length. Why...
Apr10-13 08:08 AM
viryan23
16 3,339
Why does the hair on our bodies (much like the hair on animals) grow to a certain point, then fall out/stop, but the...
Sep4-05 12:48 PM
matthyaouw
2 1,914
I know hair grows from skin, and about 0.5-1.5 inchs long. do u no any way to stop hair growning. any way that is not...
Sep5-05 10:33 AM
DaveC426913
6 961
Would you please give me some explanation about DNA's hairpin structure ? There is nothing mentioned about this...
May26-04 08:27 PM
iansmith
1 10,730
http://en.wikipedia.org/wiki/Haldane%27s_Dilemma This paper states that rates of beneficial mutations can not account...
Oct25-06 09:01 PM
Evo
1 1,479
Besides the radioactive elements, do the other elements on the Periodic Table of the Elements have half-lives?
Sep3-03 02:31 PM
LURCH
13 10,897
I've read that when washing one's hands, the primary mechanism by which the hands become clean is mechanical. That...
Nov16-10 02:50 AM
Monique
2 5,532
As an adjunct to the Handedness thread, I thought it would be interesting to find out just how the PF community sorts...
Jan12-07 11:11 PM
Ouabache
2 1,557
Why do we get hang nails and why do they form? Any way to prevent the annoying little things?
Apr10-05 09:56 PM
Huckleberry
5 9,884
In the film Hannibal there is a scene where Clarice is listening to a tape of Hannibal Lecter talking to Barney....
Jun19-12 05:20 AM
Jobrag
5 5,863
http://www.darwinday.org/ A humorous celebration in Ontario includes a potluck dinner composed of as many taxa as...
Feb13-04 01:27 PM
Phobos
3 1,393
Source. Who else here has observed several (or perhaps many, yech) food items which have "resisted decomposition"...
Dec22-10 08:16 AM
mack_10
10 4,183
I have read several posts asserting that mutation and natural selection cannot add complexity or useful functions to...
Apr2-13 12:15 PM
Ryan_m_b
6 3,459
Hi all, My 9 year old just asked me what is harder.. teeth or bones? Any suggestions?
Nov3-08 04:49 PM
Moonbear
1 4,408
It would seem to me that after monohybrid mating, the frequency of the dominant and recessive allele should change? I...
Mar30-14 01:55 PM
Ygggdrasil
3 1,252
http://www.news.harvard.edu/gazette/daily/2006/06/06-stemcell.html I'm for it, go cloning!!
Jun15-06 01:42 PM
DigEagle
1 1,541
http://bigthink.com/ideas/25265
Dec3-10 05:10 PM
stevenb
3 2,772
To jump from a single celled organism to a multicellular one, we need beneficial addition mutations in DNA sequences....
Jan18-08 01:17 PM
Moridin
28 6,243
Has biology ever predicted an organisms action exactly correctly? meaning, has biology ever reduced an organism...
Oct7-03 09:02 PM
Mattius_
2 1,853
I know that it has been 'proven', but my question is, has it actually been observed by somebody? Yes, we can see the...
Feb4-10 04:05 PM
JerryClower
45 10,595

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