Questions tagged [safety]

The balance of benefit versus harm of an activity, device, technology or substance.

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32
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0answers
796 views

Does cutting paper dull a knife quickly? [duplicate]

This question is a follow-up to "How to test the sharpness of a knife?", my answer to it, and the comments my answer generated. Charlie Brumbaugh wanted to know how to tell when he is done when ...
20
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2answers
2k views

Is riding with strangers unsafe?

A commonly taught adage is to never accept a ride from a stranger. This applies mostly to children and goes hand in hand with warnings about accepting gifts from strangers. Now, having grown older, I ...
34
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1answer
7k views

Can you get your legs stuck around a pole, leading to cramping and then death?

I came across this video that makes a series of claims based around a position that a person can apparently get stuck in around a pole, and unintentionally kill themselves: Tied up without a rope (...
73
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2answers
14k views

Were pen cap holes designed to prevent death by suffocation if swallowed?

Someone posted the following trivia on a social media website: Do you know that pen caps have holes so that if someone swallows a cap, then air could still pass through? This started a small ...
25
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3answers
10k views

How unhealthy are aluminum cooking pans?

It is regularly stated that aluminum cooking pans are unhealthy, but I come accross them very often. I see people cooking both alkaline and acid foods in them, scrape them with metal, leave food ...
11
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2answers
17k views

Will using auto-darkening welding helmets damage your vision?

I've been told in person, and seen repeated on many a forum, that auto-darkening welding helmets are dangerous and that anyone who uses one eventually needs glasses. However, I have been unable to ...
18
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1answer
2k views

Do loud motorcycles prevent accidents?

In my neighbourhood, there is one of these inconsiderate people who has a loud motorcycle. I've already told him that his motorbike wakes me up, and he politely apologizes, but then does nothing about ...
6
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1answer
668 views

Is using a phone while driving more dangerous than driving while drunk?

There have been numerous studies that show how using a phone while driving is more distracting than other non-driving tasks and even worse than driving while intoxicated. Here was a study done in the ...
23
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1answer
1k views

Are roads more dangerous when it first rains?

From DriversEd.com: Rain: Slow down at the first sign of rain, drizzle, or snow on the road. This is when many road surfaces are most slippery because moisture mixes with oil and dust that has not ...
111
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1answer
13k views

Were children safer in the good old days?

Edited, as every site I found in my search last night gave me sites that all say the same thing: The perception is that the world is a really dangerous place for children these days But the ...
60
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1answer
10k views

Is it less dangerous to box without gloves than with gloves?

From this YouTube video by Today I Found Out, Most pertinent here, is that neither boxer would be wearing gloves in such a classic match. As paradoxical as it sounds, boxing without gloves is ...
9
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2answers
2k views

Are added nitrates and nitrites in our diet harmful?

It is widely claimed that meat-curing agents containing nitrates or nitrites are dangerous food additives. This site puts them in a top ten list of bad food and recommends avoiding cured meats, ...
0
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1answer
368 views

Are eggs safe to consume once they reach 70 degrees celsius

In the Homemade Eggnog {Non Alcoholic} eggnog recipe featured on the website Annie's Noms as part of the recipe the author makes the claim that at 70 celsius the eggs are safe to eat. As below ...
23
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2answers
7k views

Are big cars and SUVs safer than small cars or do they just *feel* safer?

I've long observed that many drivers in the UK choose SUVs (which are often disparagingly called Chelsea Tractors) do so at least partially because they believe such cars to be safer. I doubt this ...
9
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0answers
833 views

Does “reverse sound technology” make headphones safer?

Purebuds Earphones claims that their use of "Reverse Sound Technology" makes their earbuds safer, preventing hearing damage. I searched for a scientific study of this technology, or at least a good ...
104
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5answers
7k views

Are personal electronics a risk to commercial aviation?

Are personal electronics (of present or recent past; e.g. cell phones, mp3 players, iPads) a risk to commercial air travel? Is the typical request to "turn off all personal electronic devices" based ...
27
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1answer
2k views

Does the TSA have a fail rate of 95% in breach tests?

Does the TSA fail at a rate of 95% at detecting (fake, "test") terrorists in breach tests, as reported in this news story? The best information that I have about this is a news report. Is there any ...
7
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1answer
805 views

Is paramotoring the safest form of personal aviation?

Paramotoring is the of sport of powered paragliding, where participants strap a 2 stroke motor to their back and a parachute, which they dub a wing, in order to fly. Blackhawk Paramotor, America's (...
11
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1answer
747 views

Are American standards on automotive turn signals demonstrably less safe than European ones?

In most countries outside North America, vehicles have separate turn signals which are amber rather than red. In the USA (and probably Canada) this is not part of the standards and a flashing brake ...
43
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5answers
5k views

Is drinking raw milk more dangerous than drinking pasteurized milk?

In Australia "raw milk", more commonly known as un-pasteurised milk, is mostly illegal for human consumption, except in one state, I do believe. The consensus appears to be that pasteurising the milk ...
11
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1answer
928 views

Has president Trump been “very strict on Commercial Aviation”?

President Trump seems to be implying that him being strict on commercial aviation led to 2017 having been "the best and safest year on record". When reading carefully, he does not claim that outright; ...
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, ...
8
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0answers
1k views

Is filling multiple vehicles in one transaction at a gas station a safety hazard?

According to this gas station, pumping gasoline into more than one vehicle is a serious safety hazard: The gas station making this claim charges different customers different prices per gallon ...
2
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1answer
394 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, ...
12
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2answers
9k views

Does wearing a mask on the back of one's head protect against tiger attacks?

Today while visiting the tiger exhibit at my local zoo, I read that in areas where tiger attacks on humans are common, people will often wear a mask on the back of their head to ward of tiger attacks, ...
7
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0answers
497 views

Do defensive driving courses reduce car accidents in teenage drivers?

A fairly common claim is that young learner drivers should take defensive driving courses so that they know what to do if they lose control of their car. This comes with the implications it will ...
116
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3answers
25k views

Were there 18 school shootings in the US from Jan 1 to Feb 14, 2018?

CBC Radio (Canada) reported earlier this evening that the Florida shooting at Marjory Stoneman Douglas High School "was the 18th school shooting in the U.S. since the beginning of 2018.". On its face ...
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0answers
387 views

Are schools with armed guards or police safer?

The Huffington Post recently ran a story featuring Wayne LaPierre, the head of the NRA saying that, "Putting police and armed security guards in our schools to protect our children ... it's the ...
5
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1answer
588 views

Were there armed guards at Columbine?

Ran across this editorial by Brandon Friedman in the NY Daily News: Arming teachers in the classroom will cost kids' lives ... There were armed guards at Columbine, the Pulse nightclub and in ...
1
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1answer
464 views

Has 2017 been the safest year in commercial aviation?

President Trump seems to be implying that him being strict on commercial aviation led to 2017 having been "the best and safest year on record". When reading carefully, he does not claim that outright; ...
3
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0answers
1k views

Are ladders more dangerous than guns? [closed]

You know, studies show that keeping a ladder inside the house is more dangerous than a loaded gun. That's why I own ten guns, in case some maniac tries to sneak in a ladder. - Grunkle Stan I've ...
24
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0answers
915 views

Was there a Soviet anti-motorcycle-helmet campaign in the late 1950s and early 1960s?

Lessig (1995, pp. 964–965) writes: Before the 1960s, motorcyclists in Soviet Russia did not wear helmets. In part this was because of a lack of any perceived need to wear helmets; in part it was ...
10
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1answer
762 views

Do fire drills make building occupants safer?

Fire drills are widely practised in schools and other buildings. Wikipedia explains: The purpose of fire drills in buildings is to ensure that everyone knows how to get out safely as quickly as ...
21
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1answer
6k views

Do green grapes cause more accidents on the London Underground than banana peels?

In Teary Deary's Horrible Histories: London, he claims that green grapes cause more accidents on the London Underground (I presume subway) than banana peels. This claim is also repeated in several ...
20
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1answer
1k views

Does nuclear power cause fewer deaths than other forms of electricity production, accidents included?

There have been several questions related to nuclear power in comparison to other forms of electricity production: Are there fewer accidental deaths at nuclear power plants than others? Do coal ...
6
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1answer
563 views

Do cellphones pose any harm to pacemaker users?

In Japan it is very common to see signs on trains that encourage/require you to turn off your phone on trains, or just near the priority seating areas. The thinking goes that the signals somehow ...
7
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1answer
483 views

Is food handled in China but available in Australia less safe than food handled in Australia?

Recently, there's been an incident involving frozen berries handled in China spreading Hepatitis A in Australia. People are responding to this by arguing for better labeling of where food products ...
5
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1answer
556 views

Does removing headguards in boxing reduce concussion?

In this tweet from the Economist: The International Boxing Association claims that concussions went down 43% when headguards were removed pic.twitter.com/95KltTdapB— The Economist (@...
12
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0answers
382 views

Do childrens' playgrounds designed to be safe reduce injuries to children?

In Tim Harford's book-length argument that some degree of messiness is, contrary to much modern opinion, a good thing, he makes an argument late in the book that applies to the spaces where children ...
14
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1answer
1k views

Is aluminum foil safe to use with food?

Prompted by comments in the family, help me clear this up. A Google search for is aluminum foil safe yields articles that claim it's dangerous, as well as articles that claim it's safe. So which one ...
7
votes
2answers
920 views

Is the self-driving car technology of 2017 less lethal than human drivers?

Youtube channel veritasium, on a video called "The real moral dilemma of self-driving cars" (ref) claims that if all cars in 2017 were self-driving, hundreds of lives could be saved. So he is claming ...
25
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1answer
31k views

Does home-WiFi expose you to less radiation than using the 3G on your cell-phone?

Are there any studies that compare WiFi and cellular data usage, in the home, over time? Mainly I've heard that WiFi uses more battery (so it should emit more radiation) but OTOH it feels like 3G/...
3
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2answers
770 views

What if everyone in a city flushed their toilets at once?

"The applied theory of price", by Donald N McCloskey claims: If all people flushed their toilets at once, the city water mains would burst. How much damage (if at all) will a drainage system in a ...
39
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1answer
11k views

Should I cut off black banana ending before eating?

I was always told that I should cut off the black ending of a banana before eating, because it would be dangerous. Sources for this claim can for example be found here (though that source is actually ...
7
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0answers
1k views

Are chicken haunches especially toxic?

There have been some health concerns raised (mainly through word of mouth) with regards to the toxicity of chicken haunches. Apparently, in the industrial breeding and rearing of chickens many ...
15
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1answer
4k views

What's the safest place in a house during an earthquake?

In my childhood, I heard that the safest place indoors during an earthquake is in any doorway or in the bathroom (toilet). Doug Copp, Rescue Chief and Disaster Manager of the American Rescue Team ...
2
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1answer
266 views

Does using a neck brace reduce damage taken in a car crash?

In the movie Focus, you can find this scene, where a man puts on a neck brace, before crashing into another car, and this same guy seems to be the only one unscathed. I know movies tend to portray ...
29
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5answers
4k views

Are there fewer accidental deaths at nuclear power plants than others?

I have seen the stats on this website saying that the number of death caused by nuclear accidents was way smaller then those caused by any other energy production factory. Do you have any information, ...
7
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2answers
351 views

Does teaching 6-12-month old infants to back float reduce their risk of drowning?

The American Academy of Pediatrics does not recommend water safety lessons for babies less than one year old: The water-survival skills programs for infants may make compelling videos for the ...
17
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1answer
68k views

Do open windows increase the chance of lightning striking the house?

There's a widespread belief among most of the people I know that all windows should be closed during a storm as having them open is supposed to attract lightning (or, according to some people, can ...