Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, origin, evolution, distribution, and taxonomy.

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1answer
268 views

Is the video of Soviet Dog Revival Experiment real?

In this video a dog head is brought back to life by injecting blood and air artificially. The dog (it's head actually) reacted to sound, touch and used its toungue to taste. I am not skeptic about ...
1
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0answers
169 views

Did Todd Standing video a sasquatch? [on hold]

Recently on Survivorman, Les Stroud went on a Bigfoot expedition. Towards the end of the episode he showed footage provided by Todd Standing with a very clear picture of what appears to be a juvenile ...
11
votes
1answer
161 views

Does potassium deficiency cause cramps?

According to Ace Fitness, it is a myth that potassium deficiency doesn't cause cramps, since there isn't enough potassium in sweat to deplete potassium. Sodium deficiency is blamed instead. Is this ...
8
votes
1answer
405 views

Are birds magnetically repelled from high-voltage power lines?

There is a board game from the 90's called 'Mind Trap' in which players must solve tough riddles. One of the riddles goes like this: Sid Shady claimed that he developed a special insulation for ...
6
votes
0answers
111 views

Does carrageenan cause gastrointestinal inflammation and higher rates of intestinal lesions, ulcerations, and even malignant tumors in humans?

I came across this article on how to avoid carrageenan on a friend's facebook post. The "article" starts with this statement: Carrageenan is a common food additive extracted from red seaweed. ...
11
votes
1answer
429 views

Is the inside of a field cucumber 20 degrees Fahrenheit cooler than its surroundings?

I've heard this claim before, but every time I dig deeper I am unable to find a reason for why cucumbers would be significantly colder than their surroundings. Is there any validity to this claim? ...
4
votes
1answer
398 views

Do pain killers “target” pain?

Everyday I hear advertisements that some painkiller directly targets the pain. e.g. Nurofen's UK web-site Targets pain fast. [...] Targets pain twice as fast as standard ibuprofen ...
12
votes
0answers
276 views

Does red meat increase the risk of heart disease?

Conventional common wisdom has been that red meat consumption increases the risk of developing heart disease. There are a lot of studies indicating this may be true, but there are also a lot of ...
5
votes
3answers
255 views

Do vitamins improve memory abilities?

Some people claim that taking vitamin can improve your memory. For example, Memory Improvement Tips: Everyone has heard there are vitamins and supplements that can improve your memory and other ...
1
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0answers
46 views

Does research into genetical differences increase or decrease public prejudice? [closed]

I've come across this question in different fields. Gender & race being the most controvercial but also things like hair color and left or righthandedness. When proper research is done, does it ...
8
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0answers
224 views

Do fleas jump lower after being covered by lid? If so, do their offspring adjust to this lower height?

This is one of the popular experiments mentioned in motivational books. Here is summary from a motivational webpage: At the beginning of the experiment a number of fleas are placed in a jar. The ...
3
votes
1answer
302 views

Are the origins of Rh- blood unexplained by science?

Researcher Daniel Wilks claims: Blood type O is a universal blood type. Blood types are further broken down into two groups, negative and positive. This is called the RH factor. The RH factor is ...
10
votes
1answer
724 views

Did cows in Germany blow up their own barn by farting?

As reported by Reuters, Flatulent cows start fire at German dairy farm - police Methane gas from 90 flatulent cows exploded in a German farm shed on Monday, damaging the roof and injuring one of ...
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votes
1answer
250 views

Did human speech suddenly develop out of nowhere?

Did human speech suddenly develop out of nowhere? Is it true that our evolutionary ancestors had none of these speech attributes?
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1answer
578 views

Was there a last common ancestral species between humans and chimpanzees?

Wikipedia: Human Evolution states that humans and chimpanzees are related in an evolutionary sense. The caption to this picture from Wikipedia says The hominoids are descendants of a common ...
2
votes
1answer
352 views

Does everybody have almost same brain-waves while they're thinking about the same thing?

Do people have almost same brain-waves (Waves that captured by EEG) while they are thinking the same thing (For example thinking about an Apple)? To put it another way, are there patterns in measured ...
4
votes
1answer
437 views

Can humans “feel” the earth's magnetic field?

Someone told me that human cells can somehow feel the earth's magnetic field. The same guy thought that centrioles are probably involved. Is it true? If not, would it be true for stronger magnetic ...
6
votes
1answer
365 views

Do humans sleep better in darkness?

Do humans (and I guess also most creatures) sleep better in darkness?
3
votes
1answer
415 views

Are oranges actually green? [closed]

On an episode of Qi there was a 'fact' that claimed oranges aren't actually orange they are green and they lose their green colour in transport and become orange. Now I was indeed skeptical about ...
9
votes
1answer
349 views

Does animal experimentation delay results in medical research?

There is currently a vehement debate in the Italian media about animal rights activism and experimentation on animals. Caterina S., a person with four genetic diseases, publicly demonstrated her ...
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0answers
95 views

Is homosexuality primarily genetic? [duplicate]

It seems to me that, evolutionarily speaking, the fitness of a purely homosexual animal or human is much lower than that of a heterosexual one, and therefore would be strongly selected against. Thus I ...
5
votes
0answers
422 views

Does natural selection have less impact on modern humans?

This question is motivated by two other questions that hinged on this one but did not explicitly ask the question. Is intelligence declining due to the lack of selection pressure? Is human evolution ...
18
votes
1answer
3k views

Are all the atoms in our bodies replaced on a regular basis?

In a related question, Are all cells of the human body completely replaced every seven to ten years?, it is explained that there are cells in the human body, like neurons, that are never replaced. ...
1
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0answers
24 views

When and how does the consumption of fluoride cause health problems? [duplicate]

I have heard about orally consuming fluoride and rinsing with a solution containing fluoride to help prevent cavities, but I've also heard some claims that fluoride is bad for peoples' health. What ...
8
votes
1answer
766 views

Are these “necropants” trousers made from human skin?

The Museum of Icelandic Sorcery & Witchcraft in Holmavik allegedly holds a pair of 17th century Icelandic trousers, made from a corpse. Warning, the image in the article is not for the faint of ...
22
votes
1answer
3k views

Can you punch someone's nose into their brain?

A persistent tale in martial arts is that one can strike an unfortunate other on the nose in such a way that you drive the cartilege up into their brain. Is this possible? I think some points to ...
8
votes
1answer
1k views

Does raw cows' milk contain lactase?

Raw milk advocates seem to claim one of two things regarding the lactase enzyme (not to be confused with the lactose sugar): That raw milk contains lactase which is destroyed in the pasteurisation ...
2
votes
1answer
754 views

Does a full grown oak tree expel 7 tons of water from its leaves in a day?

There are a couple sites with this claim but I can't find any reliable sources... http://www.snapple.com/real-facts/cap-view/715 ...
2
votes
0answers
181 views

Will elephant dung paper infused with flower seeds grow when planted?

According to this article there is a paper that has been infused with elephant dung and flower seeds that, if planted and watered properly, will actually grow. I guess it sounds plausible but I feel ...
8
votes
4answers
923 views

Are GMO crops to blame for farmer suicides in India?

Anyone who follows the genetically modified organism (GMO) debate has probably heard the claim that GMO crops, and specifically the inability to save seed and other associated production costs, have ...
7
votes
2answers
3k views

Is 70% of your immune system “located” in your gut?

A recent commercial for a particular brand of yogurt claims, among other things, that 70% of your immune system is located in your gut. I have seen this claim repeated here (the emphasis is mine): ...
29
votes
2answers
1k views

Do cats and dogs only see in grayscale?

Ask most anybody about dogs or cats, and they will repeat the claim that these animals are colorblind. To most, it means greyscale. Is it true that cats (ref 2) and dogs (ref 2, ref 3) only see in ...
7
votes
1answer
2k views

Does KFC serve chicken?

There are rumors that the meat KFC serves is not permitted to be labelled as chicken. Kentucky Fried Chicken has become KFC. Does anybody know why? We thought the real reason was because of the ...
3
votes
1answer
551 views

Are green potatoes unhealthy to eat?

I have been told that green (unripe) potatoes are poisonous and that this is "common knowledge". I doubt there are any chemical properties in these potatoes that could cause any harm. AFAIK, potatoes ...
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0answers
291 views

Does chlorine in water harm soil bacteria?

This article claims that both chlorine, and chloramine, which are added to many municipal water supplies to kill harmful bacteria, can also harm the good bacteria in soil, necessary for a healthy ...
10
votes
1answer
8k views

Do spiders intentionally wear water droplets on their heads?

I discovered today that there are a lot of pictures of spiders "wearing" water drops as hats. (More research: Warning -- Spiders!) However, I can't find anything related to why they might do this. ...
17
votes
2answers
8k views

Can an air-bubble in a syringe kill the patient?

I have heard of stories where, while giving injection to patient, a doctor forgot to remove all the air from the syringe. The patient died when the air reached to brain. Can injecting air into a vein ...
-1
votes
1answer
275 views

Oxygen buildup in the atmosphere

It is commonly believed (or based on few evidences) that atmospheric oxygen built up because of extensive photosynthesis. I am skeptical about this theory that biotic factors are solely responsible ...
15
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2answers
4k views

Is cows' milk bad for cats?

My mother used to tell me that I shouldn't give our kitten cow milk, even if she seemed to enjoy it. Since I loved my kitten, and was quite disobedient at that time, I did it fairly often, and never ...
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3answers
3k views

Can humans move their eyeballs independently of one another?

Recently I see a lot of links to Ed Macy's book "Apache" (related from Google glass articles' comments). It took me two years to learn how to "see" properly -- how to see in an Apache World. I ...
9
votes
1answer
2k views

Does wifi stunt cress growth?

A couple of weeks ago there were reports of an experiment by schoolchildren that appears to demonstrate that wifi router radiation adversely affects cress. There's been time now for the leading ...
7
votes
1answer
391 views

Do muscle systems operate exactly the same during a hangover?

In Training With a Hangover, Bill Starr says: The first thing I taught them when they stumbled into the weight room with giant hangovers was that the alcohol was nothing more than expensive ...
6
votes
1answer
689 views

Does beef meat have twice the amount of oestrogen as soy?

I have been watching to some videos on Youtube to see if I should be a vegan. One of the thing that popped out during a discussion was the fact that soy contains a lot of oestrogen which could cause ...
0
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0answers
67 views

Does the intelligence of people is going down? [duplicate]

Somewhat popular idea in media (say movie "Idiocracy") and general perception of older generation is that people and society are getting dumber. It seems that even real studies show that "stupid" ...
5
votes
2answers
1k views

Can some species of jellyfish live forever?

I came accross one of those top 10 video today on youtube (while I remember trying to learn more about particle filter...) and it was about the longest living creatures. I already knew lobster and ...
10
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2answers
1k views

Could life begin by chance?

Evolutionists generally believe that although the spontaneous generation of life from non-living matter was a highly improbable event, the amount of time available is long enough to overcome this ...
7
votes
1answer
699 views

Did oil come from Dinosaurs?

Oil (and other carbon based fuels like Coal, but for this question, I'm more interested in Oil) is widely regarded as a "Fossil Fuel" because its origin was ancient flora and fauna, buried deep below ...
4
votes
1answer
415 views

Is there a disparity between the number of US schools teaching creationism and the population's desire?

Concerning Evolution and Creation being taught in public schools, is there a disparity between the majority opinion and the extent that each is taught? This web site says: Fifty studies were ...
0
votes
1answer
303 views

Does Excessive Menthol Cause Sleepiness

Does Over Consumption of Menthol Cause Sleepiness? I found no substantial sources either to suport or refute this argument. I have heard it from a few sources not perfectly reliable. I do know that ...
10
votes
1answer
10k views

Can a plant survive bottled in its own ecosystem for 50 years?

I came across a story on Facebook about David Latimer, who put spiderwort plants into a bottle garden ("terrarium") in 1960, watered it in 1972, and then sealed the bung. The plants have been living, ...