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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Are Eagle talons much stronger than human hands? [on hold]

Eagle talons have a similar size the the human hand: The human hand and the eagle talons derives it's strength from arm muscles, so both have a fair amount of musculature. But several posters on ...
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125 views

Does copper react differently with different people? [closed]

One of my friends and I have developed a habit of drinking water from only copper vessels as I have read several benefits of drinking from that. But I observed one strange phenomenon during past few ...
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61 views

Does masturbation cause hairy hands? [duplicate]

I think most of you heard this one and I am somewhat skeptical about truthfulness of it.
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1answer
576 views

Does locking one's knees lead to fainting?

I have been told that locking one's knees can lead to fainting or passing out, and if you need to stand for an extended period of time you should always avoid standing and not lock your knees. I just ...
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0answers
178 views

Is the poison of the Giant Monkey Frog one of the strongest antibiotics ever found?

The website Kambo Medicina claims that Kambo, the poison derived from the poison from the Giant Monkey Frog (Phyllomedusa bicolor) is one of the strongest natural antibiotics and anesthetics found ...
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60 views

Does lavender repel moths?

On Wikipedia, it is said that Dried and sealed in pouches, lavender flowers are placed among stored items of clothing to give a fresh fragrance and to deter moths. I know many people do it. Has ...
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3answers
16k views

Is this what “happiness looks like”?

This gif has been widely distributed on imgur/reddit/twitter/media and it is meant to represent Molecules of the protein myosin drag a ball of endorphins along an active filament into the inner ...
12
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1answer
485 views

Is this chart of eye colour inheritance accurate?

This image is circulating on social media (e.g. Pinterest). It implies that if you have green eyes, then you can't possibly have one biological parent with blue eyes and the other with brown. The ...
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0answers
117 views

Does injecting Bacillus F improve one's health? [closed]

In a Siberian times report, a Russian scientist Anatoli Brouchkov claims that 3.5 million year old bacteria Bacillus F improves longevity and fertility of fruit flies and mice stimulated the growth ...
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2answers
12k views

Is this comparison of wedge tailed eagles and bald eagles accurate?

From https://twitter.com/dannolan/status/665409197685764096 (408 RTs, 495 likes), though another comparison between the two exists in Australian Popular Science [US flag, picture of American ...
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1answer
588 views

Has a human baby's heart started beating only 18 days after conception?

I saw billboards like this driving around Florida: 18 Days from conception my HEART was beating [...] Prolife Across America Is this true?
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1answer
455 views

Do saliva glands emit urine?

I've heard from "fun fact" sources that there is urine in human saliva: When you urinate, a small amount of the urine enters your mouth through the saliva glands. But that’s okay – fresh urine is ...
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1answer
437 views

Is it possible to survive longer without drinking water by eating ants?

A man was recently lost in the Outback and survived for six days in hot conditions without any water. Many news reports are claiming that he survived this long without water because he ate ants. ...
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2answers
715 views

Can a single sperm travel alone to an egg and fertilize it?

WebMD writes in its Sperm FAQ: It takes just one sperm to fertilize an egg and achieve a pregnancy, but for each sperm that reaches and fertilizes an egg, there are millions that don't. ...
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1answer
150 views

Can microbes live on surfaces with less than 10% humidity?

I've seen it claimed that bacteria or viruses can't live on surfaces when the humidity is less than 10%. But I can't find any credible source for this. The earliest source I can find is Popular ...
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0answers
239 views

What is 'Dharan(Navel Displacement)' in Scientific terms? [closed]

In India 'Dharan' is supposed to be a kind of sprain which causes the Navel to get displaced. But as far as I know in modern science there is nothing like navel displacement. What actually Dharan is, ...
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230 views

Is the Pintubi-1 skull representative of a modern Aboriginal?

The following image shows two skulls - the one on the left is known as Pintubi-1. The one on the right is a modern Caucasian. It is claimed by many people and sites to be representative of the modern ...
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2answers
465 views

Do hand dryers in public bathrooms spread bacteria?

A hand drier is a warm and humid environment that is surrounded by bacteria from all the bathroom users. It is claimed that this is one of the main causes for spreading bacteria/microbes (NCBI ref) ...
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1answer
536 views

Are GMOs dangerous to the environment?

I have finally understood that GMOs are not dangerous to humans (or there is no evidence on that case) but I still don't know if GMOs are safe to the environment, because I have read that pesticides ...
20
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1answer
802 views

Did people long ago used to drink beer because water was dirty?

I've heard this dozens of times before. But from what I know beer doesn't have enough water in it to counteract the diuretic effects of its alcohol content, making this impossible. Which is true?
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2answers
21k views

Does dyeing elephant tusks help discourage poachers?

Recently, I've often seen this image claiming that some people are dying elephant tusks to prevent individuals from hunting them. Has this actually been done? Is it common? Initially, this seemed ...
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1answer
420 views

Did Nylon eating bacteria come about due to an increase in genetic information?

I found this video by a creationist who claims that the nylon eating ability of bacteria was not the result of an increase in genetic information. Does he actually have a point or is he wrong? ...
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1answer
699 views

Is the Earth experiencing another mass extinction event?

I have heard that Earth is experiencing another mass extinction event, with many species going extinct at a rate comparable to Earth's many other past extinction events. This has been reported in ...
104
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1answer
7k views

Is eating rice harmful to birds?

There is an old custom to throw rice at the wedding couple when they leave the church after the ceremony. But now I have heard from several people that you should not throw rice because birds will eat ...
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485 views

Did cats evolve meowing in order to manipulate humans? [closed]

My girlfriend told me last night that cats evolved meowing specifically in order to mimic the sound of a baby's crying to get us to feed them and so forth. Considering the meme of throwing shoes at ...
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1answer
5k views

During pregnancy, do babies send stem cells to their mothers to repair organ damage?

This picture is floating around the facebooks with no attribution to an original source (not even a source of the image): The image says: During pregnancy, if a mother suffers organ damage, the ...
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1answer
301 views

Do commercial DNA synthesis labs maintain a “watch list” of dangerous DNA sequences?

This New York Times article claims that Their DNA could be put on a watch list, as sequences for anthrax and smallpox are, so any attempt to buy them from DNA supply houses would raise flags. ...
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1answer
191 views

Can we tell our origin based on foot phenotype? [duplicate]

This suggest that someone from european lineages, can tell its origin from the shape of its feet. Does it really work?
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1answer
738 views

Can vinegar and essential oils repel ticks?

I just saw this facebook post claiming that vinegar and essential oils can repel ticks. In a spray bottle, mix 2 cups of distilled white vinegar and 1 cup of water. To make a scented solution so ...
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1answer
2k views

Does a human on a bicycle travel more efficiently than any other species?

Steve Jobs claimed on video that a bicycling human is more efficient at locomotion than any other species can manage. He repeated it separately on video, and in writing. The quote is still oft ...
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109 views

Could the 2001 anthrax letter attacks been connected to the disclosure of Project Jefferson? [closed]

Project Jefferson was designed to reproduce a strain of genetically-modified anthrax isolated by Russian scientists during the 1990s. It was disclosed (together with Project Bacchus, Project Clear ...
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1answer
982 views

Did scientists in UK find a sphere that is of extraterrestrial origin which contains alien biota?

Is there an independent verification of the claims made by University of Buckingham researchers? From http://www.express.co.uk/news/weird/554074/Alien-seed-sent-Earth-aliens-Scientists-baffled: ...
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0answers
120 views

Is there any correlation between temperature and illness? [closed]

How many times did you hear your mother tell you, "Put on a jacket or you're going to catch a cold!" or "Come in out of the rain before you catch cold!" It's also a fairly common trope in Jane ...
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1answer
1k views

Does drinking coffee, or any other activity, help sober a person?

This article claims that: Also, despite popular belief, "Only time will sober a person up. Drinking strong coffee, exercising or taking a cold shower will not help." So, if you're buzzing but ...
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1answer
569 views

Do individual heart cells “beat” when isolated?

In his book The Third Ear, author Chris Lonsdale makes the following claim in chapter 14: Some years ago, scientists did a very interesting experiment. They placed a single, live, heart cell into ...
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3answers
2k views

Can thunderstorms curdle milk?

When I was 13, my sister and I spent the summer on a dairy farm. We worked in the creamery, where (twice a day) we bottled fresh raw milk, as well as cleaned all the equipment. It was really a fun ...
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2answers
444 views

Are vaccine antibodies different than natural antibodies?

An article at mercola.com entitled Outspoken Vaccine Advocate States Measles Vaccine Can't Prevent Measles Outbreaks makes the claim that (emphasis added): Because vaccine antibodies are different ...
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229 views

Does “power posing” affect testosterone and cortisol levels?

Social psychologist Amy Cuddy gave a TED talk in which she claims that adopting certain postures: can affect testosterone and cortisol levels in the brain. Business Insider Australia summarised ...
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1answer
278 views

Is a human on a bike more efficient than a fish in water? [closed]

Long ago, an enthusiastic cyclist claimed to me that a human on a bike was more efficient than a fish in water. Is this true? I would guess that the relevant measure of efficiency would be something ...
9
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1answer
649 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 ...
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1answer
2k 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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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 ...
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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 ...
103
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3answers
20k 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
345 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
287 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 ...
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1answer
393 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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1answer
837 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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134 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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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 ...