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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How did evolution get off the ground if genetic mutations are usually harmful? [on hold]

In his article on TalkOrigins, Edward Max describes the effects of genetic mutations by lumping them into three broad categories - those that have no effect, those that are harmful and those that are ...
6
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131 views

Did Saint Charbel Makhluf's body remain intact for 50 years?

Saint Charbel Makhluf, O.L.M. (or Sharbel Maklouf),[1] (Arabic: مار شربل‎, May 8, 1828 – December 24, 1898) was a Maronite monk and priest from Lebanon. During his life he obtained a wide ...
10
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1answer
645 views

Is being able to talk evidence that you can breathe?

In discussions and articles about the death of Eric Garner I encountered several people denying that he was actually choked and couldn't breathe. The essence of that argument most often was that "if ...
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56 views

CPH4 is exist or not [duplicate]

what if our brain really works at more than 50%.In Lucy movie they were telling about the drug name CPH4 or they tell that it will produce at the time of pregnancy when women is at 5 or 6 months.Is ...
19
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3answers
5k views

Has carbon dating indicated that live humans are 4000 years old?

A friend of mine told my wife that carbon dating is unreliable because it has been performed on live humans and indicated that the test subject(s) are 4000 years old. Is there any truth to this ...
83
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3answers
18k views

Is this picture, apparently showing an eagle flying upside-down, manipulated?

I found this picture on facebook: It definitely doesn't come from a particularly credible source (I F***ing Love Science), but I'm curious if there's anything so wrong with the picture that there ...
4
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2answers
316 views

Is it almost impossible to find animals that are not contaminated by chemicals?

From Chapter 3 of Rachel Carson's seminal book, Silent Spring (1962): FOR THE FIRST TIME in the history of the world, every human being is now subjected to contact with dangerous chemicals, from ...
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1answer
201 views

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 ...
4
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1answer
293 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. ...
2
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1answer
188 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 ...
1
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0answers
108 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. ...
23
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1answer
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 ...
12
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1answer
896 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 ...
4
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0answers
194 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 ...
7
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0answers
158 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. ...
10
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0answers
604 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 ...
14
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0answers
675 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 ...
4
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1answer
333 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 ...
9
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2answers
568 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 ...
36
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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 ...
3
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0answers
243 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, ...
26
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2answers
223k views

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 ...
19
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1answer
2k 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 ...
41
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4answers
5k views

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 ...
6
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1answer
475 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 ...
5
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1answer
436 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?
19
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1answer
633 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
327 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?
13
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1answer
529 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 ...
5
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1answer
326 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 ...
5
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1answer
2k 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 ...
7
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1answer
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 ...
2
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1answer
834 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 ...
2
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0answers
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 ...
3
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2answers
376 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. ...
8
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1answer
688 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 ...
2
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1answer
148 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 ...
8
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0answers
243 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 ...
3
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1answer
341 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 ...
16
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1answer
803 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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0answers
163 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 ...
3
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0answers
93 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 ...
5
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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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0answers
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 ...
13
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2answers
359 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
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1answer
632 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
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1answer
251 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
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1answer
757 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
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1answer
457 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 ...
17
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3answers
659 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 ...