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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Life (i.e. cells) originated from clay

It's 'revealed' in many religious scriptures that man was created from clay: Life from clay Creation from clay There is an interesting article in New Scientist titled, Clay's matchmaking could ...
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262 views

Do humans normally pass gas 6 to 21 times per day?

10 Fascinating Facts About Farting People Pass Gas About 14 Times Per Day Fart, Burp, and Embrace Gas! Catapulting gaseous elements out of your orifices 13 to 21 times a day is average. ...
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174 views

Do mice sneeze?

I heard a story on NPR today about how new safety concerns affected one scientist's research on corona viruses. The fear is that scientists may make viruses more contagious and therefore dangerous to ...
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101 views

Is there a cancer avoidance diet that is backed up scientifically? [closed]

Is there an agreement in the scientific community upon a diet (eating program) that can avoid or drastically reduce risk of cancer? The information out there is very vague and sometimes contradictory. ...
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1k views

Do specific exercises target specific fat deposits?

It is common to see marketing for exercise routines that claim to target fat deposits in a particular part of the body. Examples: 9 Moves to Beat Belly Fat for Good 8 moves to melt off that pesky ...
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1answer
872 views

Did the US Government invent ebola to test bioweapons in Africa?

It has been going around that the US government was responsible for creating Ebola in order to test their Bioweapons as stated by CBS news: The largest newspaper in Liberia published a conspiracy ...
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184 views

Do babies dream in the womb? [closed]

There are various sources that say that fetuses have rapid eye movement in the womb and they might be dreaming during REM sleep. Scientists who follow the fetus's daily life find that it spends ...
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0answers
148 views

Do women blink more than men?

OMGfacts : Blinking is a reflex that is started by a sudden noise. Studies show that women react more quickly then [sic] men to these sudden noises, and blink both twice as hard and often as men. ...
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477 views

Is rice water a good fertilizer?

When rice is washed, the wash water becomes whitish due to the starchy powder in the skin of unwashed rice. I've often heard or read, usually in water-saving, money-saving, or gardening tips, that the ...
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433 views

Do trees die of cursing in Solomon Islands?

From http://wingedwizard.wordpress.com/2013/05/07/solomon-island-tree-curse/ According to some reports in the Solomon Islands of the pacific the islanders practice a special form of ...
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331 views

Does “Garbage Enzyme cleaner” contain enzymes?

There are many recipes which call for using fruit peel anaerobic fermentation process to make a concentrated enzyme cleaner solution. So the question arises that does this recipe really have those ...
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554 views

Is it very difficult to kill a whale at sea humanely?

It is said that it is difficult to kill a whale (at sea) in a humane way: Experience has shown that it is very difficult to kill a whale at sea humanely; that is, by causing minimum pain or ...
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1answer
5k views

Do mosquitoes urinate on you when they bite you?

This is a claim that I have seen on several "Did You Know?" lists so far. They all state that when a mosquito bites you, they also urinate on you at the same time and that is what causes the area ...
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235 views

Is sleeping with your head pointed north dangerous? [duplicate]

According to the top-voted answer of this question: When we sleep in this position, iron from the whole body starts to congregate in our brain which can cause headache, Alzheimer’s Disease, ...
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2answers
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Is CPH4 from science fiction movie 'Lucy' real?

In the science-fiction film Lucy, the titular character takes a drug called CPH4 that increases her brain capacity. The writer and director of the film, Luc Besson, claims in several interviews that ...
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1answer
1k views

Did David Blaine hold his breath for 17 minutes?

David Blaine (born David Blaine White; April 4, 1973) is an American magician, illusionist and endurance artist. He is best known for his high-profile feats of endurance, and has made his name as a ...
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Is the O-type blood used as a universal donor?

In biology classes at school I was taught that O can be a donor to all blood types (given matching Rh group and other details), and AB can receive transfusion from any type. Quick googling seems to ...
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469 views

Does drinking coffee reduce breast size?

A study of 300 women done in the UK says that drinking 3 cups of coffee per day can cause a woman's breasts to shrink by an average of 17%. drinking three or more cups a day was enough to cause a ...
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410 views

Determining your ancestry through the shape of your feet?

This picture makes its rounds around blogs & forums recently: Does it have any scientific backing?
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616 views

Does sleeping naked in a sleeping bag keep you warmer?

The most popular question on outdoors.SE is Is it warmer to sleep naked in a sleeping bag? Now, all the answers over there are not properly researched and it was suggested in one of the ...
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1answer
319 views

Can a woman get pregnant after only one instance of intercourse? [closed]

A lot of people believe that a woman can get pregnant the first time she has intercourse. Is this true?
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1answer
520 views

Are men more likely to be LGBT than women?

According to this article gay men exceed lesbians as a proportion of the population, and this study suggests that there are more male-to-female transgenders than female to male transgenders. Yet, a ...
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1answer
280 views

Are humans the only species to have permanently enlarged breast?

According to this didyouknowblog (http://didyouknowblog.com/) humans are the only species to have permanently enlarged breast. It quotes an article from the Guardinan ...
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1answer
1k views

Does sniffing rosemary improve memory?

A "meme" now circulating on Facebook claims that Scientists Find Sniffing Rosemary Can Increase memory by 75% The credited web site, www.herbs-info.com has this article on the topic, which in ...
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2k views

Does drinking water after eating watermelon cause cholera?

This question is about a myth popular in India and Pakistan (as printed). The myth is that drinking water or milk after eating watermelon causes cholera. Have any experiments falsified/supported this ...
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1answer
832 views

Have scientists successfully cloned a dinosaur?

An article makes a claim that scientists have cloned a baby Apatosaurus. From Article: Scientists at Liverpool’s John Moore University have successfully cloned a dinosaur, a spokesman from the ...
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69 views

Do plastic bags of water deter flies? [duplicate]

Today I had lunch in a small Mexican taco place, and they had hanging, in the middle of the room, two clear plastic bags filled with water: I asked the reason for the hanging bags of water, and was ...
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2answers
372 views

Do roaches die (naturally) on their backs? [closed]

First, a major qualifier here; by naturally, I mean not forced to die on its "stomach" (like by being stepped on). Secondly, I live in the U.S., so maybe this applies to only American roaches. ...
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637 views

Do bananas last 3 to 5 days longer if you wrap plastic around their stem?

SweetFunnyCool : Here is a simple and easy way to make your bananas last longer. All you have to do is wrap plastic around the stem. Banana stems release ethylene which causes ripening and by ...
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1answer
147 views

Is the chemical composition of genetically modified crops tested?

A February 2002 Harper's Magazine article, Unraveling the DNA Myth discusses the fact that the effect that genes have on plants is not always as simple as one gene coding for one protein, and that ...
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240 views

Is it possible for ingested dsRNA (or other genetic materials) to affect human gene expression?

I am usually pretty skeptical about claims on the danger of genetically modified crops because the issue of health for me logically breaks down to: Do the genes altered produce toxic chemicals in a ...
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1answer
329 views

Are 75% of cells in the human body non-human? [duplicate]

A recent issue of the Swiss popular science magazine "Beobachter Natur" contains an article about microbes in which the following claims are made: 75% of the cells in our body are non-human, however ...
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1answer
754 views

Are tears structurally or chemically different depending on the reason for crying?

An artist named Rose-Lynn Fisher has made photos of human tear drops under a microscope, and shows them to be different in their structure depending on how those tears were generated. Sad tears have a ...
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160 views

What is the mainstream position of biologists and anthropologists on the issue of human race? [closed]

Race is perhaps one of the most controversial and sensitive issues in anthropology, biology, and other related fields. As a non-scientist, I've used google to probe the disparity between the positions ...
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91 views

Does stress make you age faster? [closed]

So we know that excess cortisol can damage the hippocampus (through a direct mechanism), and we also know that stress can reduce the length of telomeres (though we don't seem to know the mechanism of ...
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1answer
1k 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 ...
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1k views

Did Todd Standing video a sasquatch? [closed]

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 ...
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2answers
357 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 ...
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612 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 ...
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1answer
236 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. ...
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1answer
742 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? ...
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1answer
456 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 ...
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3answers
648 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 ...
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3answers
299 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 ...
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0answers
71 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 ...
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603 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 ...
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1answer
427 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 ...
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1answer
839 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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347 views

Did human speech suddenly develop out of nowhere?

Did human speech suddenly develop out of nowhere as claimed in this video? Is it true that our evolutionary ancestors had none of these speech attributes?
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662 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 ...