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Questions tagged [biology]

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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10
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1answer
578 views

Are there records of girls born with enlarged clitoris mistaken - and raised - as boys?

In a popular-science Polish magazine Focus EKSTRA, special issue 5/2004*, page 39, there's a paragraph that says (in original Polish, emphasis mine:) Jak duża może być łechtaczka? Największe ...
3
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1answer
839 views

Will a shark kept in a fish tank have stunted growth?

There is a widely recited saying that sharks kept in fish tanks won't grow to their full size. For example, author and motivational speaker Bob Harrison posted: A shark in a fish tank will grow 8 ...
55
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2answers
10k views

Do predators tend to have vertical slit pupils versus horizontal for prey animals?

The picture above is taken from a Telegram channel and the text in Russian goes as follows. Prey has got a horizontally shaped pupil to better scan the horizon and a predator's pupil has a ...
8
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2answers
834 views

Did the chief baker of the Titanic survive two hours in ice-cold water?

In the Wikipedia page of the chief baker of the RMS Titanic, Charles Joughin, it is claimed According to his own testimony, he kept paddling and treading water for about two hours. He also admitted ...
10
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1answer
618 views

Does the average two-year-old pillow contain 17 different species of fungus?

In the New York City subway, I noticed a series of advertisements from a bedding company called Brooklinen. One advertisement had a surprising claim, which I found again on their website: The ...
4
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0answers
253 views

Does rocking a child help their brain to grow?

Nature Play claim that a child's movement in the first two years helps them grow, specifically a rocking motion like in the womb. The link to the supposed scientific source is now dead. Is there any ...
5
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0answers
171 views

Does the moon have all these powers? [duplicate]

Today, I was talking with a coworker and I was surprised to see that she strongly believe that: When the moon is closer to the earth, hair grows faster. The moon influences when a woman (or person ...
10
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3answers
3k views

Did “hundreds of birds” fall out of the sky in the Netherlands due to a 5G test? [duplicate]

A conspiracy news site claims that (emphasis added): Hundreds of birds have fallen from the sky in The Hague, the Netherlands, during a 5G experiment to see how large the range was and whether the ...
30
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2answers
4k views

Does science define life as “beginning at conception”? [closed]

The following link makes such a claim https://www.princeton.edu/~prolife/articles/embryoquotes2.html The following references illustrate the fact that a new human embryo, the starting point for a ...
89
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2answers
15k views

Are 30% of human embryos “spontaneously aborted”?

From Richard Dawkins on Feb 1, 2019 How could I have failed to predict it? My tweet of the beautiful newt embryology film is already triggering the abortion nuts. Did you know, at least 30% of ...
13
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2answers
1k views

Will rats given the ability to artificially stimulate their pleasure centers starve to death?

There's a widely-held belief [example] that a rat will starve itself to death if given a lever to press that will stimulate some "pleasure center" via electrodes implanted in its brain. Supposedly, ...
3
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1answer
668 views

Is in vitro steak, not ground or bits, possible in the near future? [closed]

This article seems to say that it's possible to create the complex structure of a steak today. Is there any more of a reliable source that discusses the actual implementation of lab grown steak? ...
4
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1answer
549 views

Do lipid droplets in our skin create a laser?

The home page of Dr Jack Kruse, who claims to be a neurosurgeon and "optimal health educator" contains the following paragraph: There is a deep connection between thermodynamics in biology and the ...
5
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0answers
393 views

Do “Zombie bacteria” live for millions to tens-of-millions of years?

Sputnik News reports that researchers are finding a "subterranean Galapagos" including "creatures such as microbial life thriving at 121 degrees Celsius or 'zombie bacteria', which can reproduce or ...
4
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1answer
368 views

Do Humidifiers Increase Risk of Respiratory Infections?

According to this report "Humidification should preferably use evaporative or steam humidifiers, as cool mist humidifiers can disseminate aerosols contaminated with allergens" Similarly, a NY ...
9
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0answers
757 views

Do fireworks kills birds, dogs and other animals?

Diwali is a Hindu festival of lights, celebrated with fireworks. My closest friend on Facebook shared this picture on my wall: Happy Diwali Thousands of birds, dogs & other animals ...
24
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2answers
8k views

Did hundreds of birds die in a park the Netherlands? What caused it?

About a week ago at The Hague, many birds died spontaneously, falling dead in a park. You likely haven’t heard a lot about this because it seems keeping it quiet was the plan all along. However, ...
6
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1answer
840 views

Do spiders never stop growing during their lifetimes?

In the a recent Doctor Who episode, Arachnids in the UK, it is claimed that spiders never stop growing. Is this true?
1
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1answer
414 views

Is Plant-e an actual company stating a serious premise? [closed]

This is what I read beforehand and then I reached the company page. They state that plants produce energy. This happens when releasing stuff from the photosynthesis process, which is consumed by ...
12
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3answers
958 views

Is burning 1ha of grassland more environmentally damaging than 6000 cars?

In this video, around 10:50 Minutes, Allan Savory claims that: Now, if it does not decay biologically, it shifts to oxidation, which is a very slow process, and this smothers and kills grasses, ...
1
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0answers
680 views

Is it possible have a cell fusion by just injecting human sperm to an unfertilized chicken egg?

I stumbled upon these video documentation titled 'Humonculus' in Youtube (I know Youtube is not reliable source, but the video to me looks legit and well video documented) by channel named Planet ...
7
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2answers
612 views

Do certain fruit combinations ripen faster?

It is commonly claimed that certain fruits (e.g. apples, bananas, high-ethylene fruits and their dastardly "ripening hormone") make other fruits ripen faster. These claims appear on mainstream media ...
15
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2answers
3k views

Are most humans infected with parasites that water fasting can eliminate?

So this is a new one for me... I came across a jaw dropping niche of health-woo today. Apparently tens of thousands of people (if not more) believe that almost all humans are infected with parasites ...
3
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0answers
289 views

Is lactose intolerance an outdated diagnosis for discomfort after milk?

As a continuation of a question of most adults being lactose intolerant, the marketing of The a2 Milk Company in Australia House at SxSW 2018 suggested it may not be lactose-intolerance, after all, ...
5
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1answer
547 views

Are gut bacteria a cause of depression?

Media from Belgium put out a far reaching article a couple of days ago claiming Depression does not start in the brain, but in the intestines Source: "Depressie ontstaat niet in het brein, maar in ...
3
votes
1answer
451 views

Does Vitamin K2 MK-4 have a half-life of about one hour?

Mercola writes MK-4 is a synthetic product, very similar to vitamin K1, and your body is capable of converting K1 into MK-4. However, MK-4 has a very short biological half-life of about one hour, ...
6
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1answer
687 views

Has a finger grown back with ECM?

I have seen a few variants of a claim that a man lost a finger/finger tip, and was given an Extracellular Matrix (ECM) treatment, that included a powder (usually based on pig's bladder), and the ...
9
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2answers
1k views

Is “Islamic fasting” healthy?

I live in a mostly Muslim country (Morocco). Now we are in the month of Ramadan. First, I had to define Ramadan: Is 30 days (or 29) where practicing Muslims can neither eat or drink or having sex, ...
4
votes
1answer
325 views

Does going to concerts increase life expectancy?

My main skepticism comes from the fact repeated exposure to loud music seems detrimental more than anything else, but I'd gladly be shown to be wrong. After a little digging, the original claim is on ...
2
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1answer
398 views

Has the Javan devil leaf nettle (urtica urentissima) been shown to cause any deaths?

According to Sir Stephen Tallents, writing in The Spectator, 12 March 1943: The sting of a certain Java nettle, for example, may last for a year and is reputed even to cause death. Mrs. M. Grieve, ...
7
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0answers
354 views

Do people become resistant to stinging nettles?

The WikiHow page How to Touch Nettles Without Stinging Yourself claims: Although experienced nettle harvesters often go bare-handed, this isn't just because they know how to avoid stings. Many of ...
-1
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1answer
280 views

Is lard good for health? [closed]

According to The Benefits of Laughing Pig Oil, an Indonesian language article, lard is very healthy. The article is spreading through many social groups. It seems that the article spreads well among ...
1
vote
1answer
404 views

Did the Garuda Purana explain the formation of embryo and consciousness before modern science?

The Garuda Purana is an Hindu text. Here is a chapter translated in 1911. There is a widespread belief among Hindus that it accurate describes the formation of embryos and consciousness, and did so ...
6
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1answer
1k views

Did Donald Trump say that the law allowing a baby to be born from his or her mother's womb in the 9th month is wrong?

2 days ago, Twitter user Todd Dracula shared a video from a Donald Trump speech, which can be found at https://twitter.com/ToddDracula/status/954410865993879558. In it, the President appears to claim:...
3
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1answer
707 views

Does eating chicken during pregnancy make your baby's penis small?

According to Eating chicken may lead to a smaller penis: to protect their sons’ normal development, pregnant women may be wise to avoid poultry Is any of this true?
50
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3answers
26k views

Russian scientist injects himself with 3.5 million-year-old bacteria, says he is now stronger and hasn't gotten ill in 2 years

I have found several articles regarding a Russian scientist, Anatoli Brouchkov: Anatoli Brouchkov is a soft-spoken guy with silver hair, and when he lets out a reserved chuckle, his eyes light up ...
6
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0answers
538 views

Does watering plants with purified water yield better results?

I watched a commercial for the Aquaguard Enhance RO+UV water purifier recently. In that commercial, a science teacher assigns an experiment to students. The students bringing a plant to school, and ...
21
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1answer
11k views

Did a boy die after masturbating 42 times?

Some years ago, there were reports being over social networks and blogs that "a boy died after masturbating 42 times in a row". For example: M24 Digital: A 16-year-old boy died after masturbating ...
7
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3answers
976 views

Does too much sex, or STDs, cause urination after sneezing?

From Billy Baldwin (verified user, 109 RTs, 805 likes, Wikipedia biography), referring to Jenna Jameson, who used to be a porn star: Curious to know what might've caused that sneeze-pee condition ...
2
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2answers
505 views

Do colder temperatures increase our hunger?

I've heard this multiple times as an explanation to eating more in relation to being exposed to colder temperatures (restaurants that are colder, during the winter, etc.) but I have yet to be able to ...
4
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1answer
1k views

Are there more trees in America today than there were during colonial times?

Yesterday, one of my Facebook friends posted an article defending trophy hunting of elephants in Africa. This led to a discussion about hunting reservations in the US, and ultimately to my friend ...
7
votes
1answer
770 views

Does it take 30 seconds for a person to consciously realize that they're awake?

Source: "You actually have to be awake for a full 30 seconds to consciously realize that you are awake, but the body falls right back into sleep immediately after it wakes up to take a breath," ...
2
votes
1answer
283 views

Is climate change causing jellyfish to wash up on the beach?

The following article Thousands of Venomous Portuguese Man O’ Wars Wash Ashore in Australia: ‘It Was the Stuff Of Nightmares’ details an event where a large number of a jellyfish creatures washed up ...
13
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1answer
523 views

Are species becoming extinct at a rate of 0.01%-0.1% per annum?

The World Wide Fund for Nature warns that there is, in fact, a very serious biodiversity crisis. And illustrates this with an unreferenced "scientific analysis" These experts calculate that ...
4
votes
1answer
904 views

Can someone survive being swallowed by a whale?

This site claims that a man was swallowed by a whale for three days and survived. His name is Luihi Marquez and is Spanish. Upon searching, it seems that multiple news sites have covered this ...
9
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0answers
464 views

Wim Hof immune response techniques

Wim Hof practices several techniques which he claims lead to voluntarily influencing the immune system resulting in increased resistance to toxins and the cold. The techniques are categorised into ...
27
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1answer
2k views

Is there a point of no return when starving to death?

I was looking at this image on Wikipedia of two children during the Russian famine of 1921-1922. The caption reads (my translation): Famine in Russia. III. The two stages of hunger: the skeletal ...
2
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0answers
248 views

Smell of a Body [closed]

There's many fictional and nonfictional stories about passerby detecting dead bodies inside buildings and such by an "overwhelming stench of decay" or something equivalent, usually even through thick ...
28
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2answers
3k views

Do biological males who were castrated at birth and raised as females often behave like stereotypical men?

In "Google's Ideological Echo Chamber", James Damore wrote (emphasis added on claim): On average, men and women biologically differ in many ways. These differences aren’t just socially constructed ...
14
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1answer
473 views

Was Jan Dzierżoń harassed for his work on parthenogenesis?

Rev. Jan Dzierżoń was a roman-catholic priest from Silesia, that did some important contributions to biology and beekeeping with his research. I.a. he is crediting with the discovery, that drones are ...