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 Enlightened First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.

This badge has been awarded 136 times. Recently awarded to:
may 1 at 21:22
Why is yawning contagious? — violadaprile 35416
apr 23 at 19:31
Why are there no wheeled animals? — shigeta 11.7k939
apr 18 at 15:44
Why do people have antibodies against other blood types? — Alan Boyd 5,7621514
apr 12 at 12:33
If fever is a natural immune defense, why do people take drugs to lower it? — MCM 4,385723
mar 26 at 13:21
Why human cannot stand still in one place? — John Rennie 28613
mar 22 at 21:09
What's the maximum and minimum temperature a human can survive? — Rory M♦ 5,71622159
mar 12 at 11:44
What's the difference between a plant and an animal? — Jack Aidley 798217
mar 6 at 3:52
Do any animals other than humans undergo menopause? — Gianpaolo R 2,495523
feb 24 at 6:39
How do porcupines keep from pricking each other while mating? — jonsca 2,2992935
feb 23 at 23:42
Why do mammalian red blood cells lack a nucleus? — EdoDodo 40827
feb 23 at 0:28
What is the reason behind choosing the reporter gene when experimenting on your gene of interest? — Aleadam 1,488410
feb 22 at 20:32
If the brain has no pain receptors, how come you can get a headache? — January 71817
feb 20 at 12:59
Why are not all species hermaphrodites? — rg255 1,830325
feb 7 at 11:02
Systems identification in small neural network — AndyL 22613
feb 1 at 6:00
How is evolution possible in contemporary humans? — terdon 2,871525
jan 28 at 19:50
Human evolution: Where *exactly* did the first human come from, whose parents were not? — MCM 4,385723
jan 25 at 20:14
(post deleted or otherwise unavailable) — Luke 2,7271631
dec 14 at 19:45
Does the DNA sequence of a butterfly match that of the caterpillar it used to be? — Rory M♦ 5,71622159
dec 11 at 23:32
Where does the 'C' in exhaled CO2 mostly come from? — MCM 4,385723
dec 4 at 21:27
What happens when we know that there is something that we forgot but we can't remember what it was? — rg255 1,830325
nov 20 at 13:40
Are the inverse problems of Systems Biology impossible to solve? — shigeta 11.7k939
nov 16 at 10:18
Could a fetus properly develop in micro/zero-gravity? — Alan Boyd 5,7621514
nov 10 at 10:43
What is the advantage of using starter cultures for growing bacteria? — Larry_Parnell 3,072311
nov 9 at 13:54
Can genetically modified genes jump to bacteria in the eater's intestine? — Amy 1,456310
nov 1 at 15:36
Can cancer grow forever if supplied with unlimited resources? — MCM 4,385723
oct 31 at 22:30
Fish “coming back to life” after being frozen — yotiao 32623
oct 28 at 14:24
Death because of distilled water consumption — leonardo 3,816528
oct 17 at 8:06
Why can't humans drink sea water? — shigeta 11.7k939
oct 9 at 14:53
What are the biochemical processes occurring when food spoils? — Gianpaolo R 2,495523
oct 2 at 3:37
What is the mechanism behind “acquired” alcohol tolerance? — Bart Jacobs 51137
oct 2 at 2:27
Did we first have swimming birds or flying birds? — kmm♦ 4,8131237
sep 21 at 16:10
What phenotypes can arise from gender-related aneuploidy? — jello 72128
sep 20 at 15:59
Why is coffee a laxative? — leonardo 3,816528
sep 20 at 12:34
Why does scar tissue change color? — Alexander Galkin 4,4691430
sep 19 at 17:09
What is the most complex plant form? — carandraug 34114
sep 18 at 13:17
Why are some berries poisonous? — rwst 2,584118
sep 17 at 10:52
How is duration of efficacy estimated for vaccines? — EpiGrad 1,463317
sep 13 at 22:25
Are human fetuses more likely to be male? — Alexander Galkin 4,4691430
sep 13 at 12:25
Is exon order always preserved in splicing? — GWW 1,625617
sep 12 at 18:09
Why is propanoic acid often added to the diet of C. elegans? — Alexander Galkin 4,4691430
sep 5 at 23:32
What are the main mechanisms of interaction between the nervous and immune systems? — Alexander Galkin 4,4691430
sep 3 at 11:09
How many gigabytes of DNA are there on earth? — Mark Schultheiss 23614
aug 29 at 21:17
Evolution of long necks in giraffes — DistribEcology 60115
aug 27 at 17:15
Can the third sex be categorized as Male or Female? — MCM 4,385723
aug 22 at 7:03
How does a cell know its size? — Aleadam 1,488410
aug 20 at 0:48
Why is rabies incurable? — Alexander Galkin 4,4691430
aug 17 at 1:17
Is there a program that simulates biology on a molecular level? — Artem Kaznatcheev 1,017426
aug 8 at 13:42
How does this illusion work? — Richard Smith 5,6392050
aug 6 at 7:04
Why does the gender of the parent species determines the species of a hybrid offspring — nico 4,1241028
aug 2 at 23:16
Why *don't* all ants have wings? — Noah Snyder 91729
jul 27 at 16:42
Black bumps on the cut surface of an avocado — Richard Smith 5,6392050
jul 26 at 22:19
Why does hair turn grey or white, and why does it happen later for some? — Luke 2,7271631
jul 26 at 15:08
Why does this illusion work? — Hauser 59828
jul 22 at 12:46
Is Behe's experiment (evolving the bacterial flagellum) plausible in the lab? — Richard Smith 5,6392050
jul 18 at 12:57
What is a coupled reaction and why do cells couple reactions? — Preece 837210
jul 18 at 7:47
What is the difference between HPLC and FPLC and why is FPLC preferable for protein purification? — Amy 1,456310
jul 13 at 14:31
What is the evolutionary advantage of death? — Piotr Migdal 729319
jul 12 at 22:03
Can rats pass on memories of a maze to their offspring? — Richard Smith 5,6392050
jul 11 at 14:00
Why does Penicillin only affect bacterial cell walls — GWW 1,625617
jul 4 at 20:56
Is it possible to lose synapses over time? — Ben Brocka 26029
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