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. Use this tag for general biology questions, but also use more specific life science tags to accompany this one if applicable.

Filter by
Sorted by
Tagged with
6
votes
1answer
496 views

Does a fetus taste the mother's food?

There seems to be two disconnected claims (1) whether or not babies can addicted to the nutrients they're exposed to, like an excess of fats., and (2) whether or not a fetus can taste things the ...
-7
votes
0answers
167 views

What is being filmed in this video?

This is the video https://www.youtube.com/watch?v=c1G76AyW1ag It is titled ''Most Credible Sea Monster or Giant Oarfish Proof ever caught on video!! Must watch'' In the video, the camerawoman is ...
9
votes
2answers
929 views

Did a 10 year old girl die from holding her breath?

Articles in the Daily Mail and the New York Post allege that Nyla Anderson, 10, died on December 12 after she took part in the dangerous Blackout Challenge which encourages participants to hold their ...
158
votes
2answers
25k views

Do victims of rape have biological defenses that prevent pregnancy?

Pro life Rep. Todd Akin, who was running for Senate in Missouri, said: “If it’s a legitimate rape, the female body has ways to try to shut that whole thing down.” Needless to say, this claim is ...
4
votes
1answer
713 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 ...
27
votes
1answer
9k views

Can "breatharians" live without food or water?

Much like the question here about reptilians hosting the news, I thought that there could not possibly be people who would make claims like this. However, some searching proved me wrong. While not ...
2
votes
0answers
147 views

Does electrolyzed reduced water (ERW) extend the lifespan of animals (compared to regular water)?

Among the research interests of Dr. Pablo Campra (of recent graphite-in-Covid-vaccines claim) is something called electrolyzed reduced water (ERW). One of the (Asian) groups studying this presents is ...
6
votes
0answers
478 views

Does the mass of human made objects exceed the entire biomass on the planet?

An article in Nature, "Global human-made mass exceeds all living biomass" in 2020 has recently gained some attention on social media (see this Twitter thread) possibly because of a striking ...
12
votes
1answer
1k views

What are the statistics of paternal discrepancy?

From the book The Red Queen by Matt Ridley: In an astonishing study recently undertaken in Western Europe, the following facts emerged: Married females choose to have affairs with males who are ...
26
votes
1answer
4k views

Does the oral contraceptive pill "age" a woman's cervix prematurely?

Well, I heard an interesting one tonight. My wife passed on that on a blog discussing contraceptive use, someone posted a link to a site stating that taking Ortho Tri Cyclen, an oral contraceptive, &...
0
votes
0answers
277 views

Can we generate a meaningful amount of energy from human body to power implants?

Here by “a meaningful amount” we mean an adequate and reliable amount of power to power the device. The motivation of this problem is a series of researches related to self-powered implants in human ...
34
votes
1answer
1k views

Is listening to lossy audio more tiring than lossless audio?

Multiple posts on Reddit (Ear fatigue and Audio quality, another comment) claim that it is more tiring to listen to music in a lossy format. The same claim is even repeated on the Wikipedia page for ...
12
votes
1answer
5k views

Does the AstraZeneca vaccine not come in contact with any animal product during production?

In refuting an Indonesian Islamic council finding to the contrary, AstraZeneca Indonesia director Rizman Abudaeri said in a statement: “At all stages of the production process, this virus vector ...
45
votes
2answers
14k views

Do humans share 50% of their DNA with bananas?

It's widely claimed that we share 50% of our DNA with bananas. Does this have actual basis or is it a myth? Example claims The Mirror (UK), NHGRI
1
vote
0answers
352 views

Can someone die of hypothermia just from thinking they're in a cold place? [duplicate]

There's a legend about a guy named Nick Sitzman who was accidentally locked in an unplugged walk in freezer. It was during the summer so it was actually hot, but he thought the freezer was on, and he ...
6
votes
1answer
21k views

Is there a subgroup of Asians that have slanting vaginas?

I had heard somewhere that some women have horizontal vagina. I didn't think it was true. So I asked my biology teacher, "I've heard some women have horizontal vagina. Is it true?" He replied, "Yes,...
15
votes
4answers
2k 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, ...
7
votes
0answers
530 views

Is this study evidence that a fly falling into one's drink should be dipped?

About 9 years ago, a user inquired about a medical claim from an islamic text, a claim that a fly falling into your drink should be dipped in then thrown away (the claimed explanation being that ...
6
votes
2answers
1k views

Is all disease caused by the electron spin of food?

Dr Elizete Kaffer is a Brazilian dermatologist. In a video (in Portuguese) she claims, starting from 0:54 (enphasis on the part that I translated): [After talking about hidden sources for pathologies,...
-7
votes
1answer
403 views

Does this article make a valid claim that SARS-CoV-2 isolation hasn't been demonstrated yet? [duplicate]

This is the article: Lordchewy: "Exposing the Core Tenets of the Covid 1984 Regime, Part 2: Koch’s Postulates, Lack of Sars Cov 2 Isolation and of its Presence in Autopsy Reports", Medium, ...
13
votes
1answer
1k views

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

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 average ...
47
votes
3answers
28k views

Is watering plants under a hot sun bad?

A couple of people have told me that it's a bad for plants to be watered in the middle of a sunny day, i.e. it's not just that you waste more water due to evaporation, but that there are actually bad ...
7
votes
1answer
805 views

Do banana peels take 2 years to decompose?

A Google search for "banana peel decompose time" gives the result: 2 years. This claim is repeated in several reputable sources, such as: Popular Mechanics, The Guardian, and BBC. However, ...
1
vote
1answer
312 views

Does a vaccine provide additional protection to a previously infected and recovered patient? [closed]

The change in literature I've observed during the covid-19 pandemic is certainly prompting this question, but I think the question can be answered broadly in terms of immunology, which does have ...
32
votes
1answer
8k views

Is slime mold eaten in Mexico as a dish called "feces of the moon"?

Various web sites make the claim that slime mold is eaten as a dish called "caca de luna" -- feces of the moon -- in Mexico. Sometimes the claim is attached to Fuligo septica, "dog ...
53
votes
1answer
15k views

Do studies show that viruses are contagious?

An acquaintance of mine has been very adamant that viruses can't be caught and continues to link me things like this Ickonic video, where Jaymie Icke interviews Dr. Andrew Kaufman M.D. who claims: I ...
4
votes
0answers
2k 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 ...
4
votes
1answer
448 views

Has the US Air Force studied squid to improve aircraft camouflage?

The Hawaiian bobtail squid is known to have a close relationship with a particular species of bacteria that lives within the squid. The bacteria are naturally bioluminescent, which is hypothesized to ...
5
votes
0answers
259 views

Are there as many hair follicles in your nose as on your head?

The Cleveland Clinic website on nose hair says, "The inner surface of your nose has as many hair follicles as your head.". That seems like a lot! From a few measurements (sample size N=1 ...
9
votes
0answers
3k 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 ...
6
votes
3answers
1k views

Has SARS-CoV-2 been purified in a lab? If not, does this imply that the PCR test for it is not specific?

Dr. Sam Bailey gives a number of references in her YouTube video on PCR tests stating the virus has never been purified as in actually separated from the infected cells. I'm curious if this is ...
20
votes
3answers
6k views

Has HIV ever been isolated?

In particular I am interested with one specific claim made by Jody Wells Memorial Prize. Is his claim true and reasonable? I'll explain what I mean by reasonable latter. The organisers of the Jody ...
4
votes
1answer
765 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 ...
8
votes
1answer
4k views

Are sardines farmed?

I've been trying to find out if sardines are farmed or if they are all wild and are only fished. Most of the sources I find, like this page, say that they cannot be farmed: They are not farmed, as ...
7
votes
1answer
492 views

Did Dr. Nikolay Chudinov revive Permian bacteria found in a potassium salt crystal in Perm, 1972?

I have heard of 3.5 million year old bacteria being revived, but 250 mya is much longer, and I can find no modern mention of this astonishing claim anywhere. However, it was mentioned in multiple ...
5
votes
0answers
386 views

Was Mary Schwietzer the first person to suspect the odor of dinosaur fossils might imply that they contain organic material

Discovery magazine interviewed Mary Schwietzer, the woman who discovered soft tissue in dinosaurs. She mentions that when she was working on a T rex skeleton she smelt something like a cadaver. When ...
6
votes
2answers
501 views

Did biologists till 1950 believe that before solving transmission of hereditary traits we should solve protein folding?

Patricia Churchland in her 1996 paper “The Hornswoggle Problem” published in the Journal of Consciousness Studies (scholar link, PDF) writes: Before 1953, many people believed, on rather good grounds ...
14
votes
1answer
10k views

Is Michelle Obama a transgender woman?

Many of my friends claim that the wife of Barack Obama, Michelle Obama, is a transgender woman. In 2014, comedian Joan Rivers made the claim in a street interview: Rivers: You know Michelle is a ...
28
votes
1answer
20k views

Can kangaroos walk backwards?

Source From Exploring Nature: They cannot jump backward because of their thick, muscular tail. Their long feet and heavy tail also make walking impossible, forward or backward. The ...
58
votes
2answers
11k views

Is phosphine evidence of life on Venus?

This news article came out about evidence tied to the possibility of life on Venus. The crux of the evidence is the detection of phosphine. The claim is that we only know of two ways to make this ...
7
votes
2answers
663 views

Does synthetic vitamin C contribute to the formation of genotoxins that can lead to cancer?

While researching Vitamin C supplements, I noticed dozens of people outraged about various companies slipping in "synthetic vitamin c" (ascorbic acid). From what I can tell this aversion ...
17
votes
2answers
13k 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 ...
16
votes
2answers
8k views

Has the synthetic bacteria Synthia become a rogue flesh-eating disease?

I spotted this on Facebook: Cynthia [sic]: Flesh-Eating Synthetic Bacteria that has Gone Wild In 2011, Cynthia was unleashed in the Gulf of Mexico and in its initial stages of life it was ...
34
votes
2answers
41k 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 ...
23
votes
2answers
7k views

Are there more mushrooms during full moon?

A couple of autumns back, I frequently went wild mushroom forraging, initially with my Basque father-in-law, who I think had been mushrooming pretty much all his life. He explained and showed how ...
4
votes
0answers
2k views

Is biochemical transmutations of elements possible?

According to a recent press conference Russian scientists have made a breakthrough so astounding it could change the universe as we know it in fundamental ways. The essence of this discovery and ...
4
votes
0answers
567 views

Will bacteria grow in filtered water?

Zero Water makes water filtration systems that they claim remove 99% of total dissolved solids from water. On the Water is the New Gold blog, a water-filter scientist warns against its use: More ...
21
votes
1answer
2k 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 ...
8
votes
2answers
5k views

Does it take two weeks for a single man to produce enough sperm to impregnate every fertile woman on Earth?

Fact Slides has a slide that claims: A single human male produces enough sperm in two weeks to impregnate every fertile woman on the planet. It sources a book of random facts Is it true?
10
votes
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, ...

1
2 3 4 5
10