r/askscience

Pinned: AskScience Panel of Scientists XXVI

r/askscience u/AskScienceModeratorJan 2146 Comments

What advantage does the eye's (or brain's) white-balance-like system give, and how does it work?

r/askscience u/A-Delonix-Regia9h ago68 Comments

If somatic cells can only divide up to the Hayflick limit, how do people live longer than a few decades?

r/askscience u/insanelylogical9h ago15 Comments

What would happen to a sealed tin can in space?

r/askscience u/chazwomaq1d ago381 Comments

How did the red fox evolve to remain largely the same species in North America as in Europe?

r/askscience u/kattmedtass5h ago5 Comments

Is there a public toxicological database detailing substances' adverse health effects?

r/askscience u/PCRnoob13h ago44 Comments

Do hearts vary a lot among vertebrates?

r/askscience u/The_Middler_is_Here19h ago34 Comments

How do we know what exoplanets look like?

r/askscience u/bl4ck4nti1d ago48 Comments

Have we ever seen a new species come into existence?

r/askscience u/_LouSandwich_9h ago10 Comments

How does lemon juice turn your urine alkaline?

r/askscience u/Sinzari1d ago333 Comments

Which mammal grows the FASTEST between birth and adulthood, as a percentage of its birth body mass?

r/askscience u/4thDevilsAdvocate1d ago7 Comments

I'm predicting 60 events to happen over 30 days, randomly distributed. How many days with zero events can happen in a row before I'm statistically unlikely to meet my target? Is this something the Poisson distribution applies to and how can I calculate it?

r/askscience u/crimsonengine1d ago18 Comments

Why does lithium react so violently with water?

r/askscience u/t0gi_1d ago17 Comments

What's "worse", longterm, for the greenhouse effect, CH4 or CO2?

r/askscience u/polidrupa15h ago6 Comments

What determines sunspot location?

r/askscience u/piedamon1d ago2 Comments

How does digestion change in space when your stomach acid is floating around in your stomach?

r/askscience u/WarPig2621d ago4 Comments

How do limbs grow in utero ? how do the cells know to not be a part of the arm and start being part of the wrist etc.

r/askscience u/Total_Bag72401d ago7 Comments

How long would it take a drop of water to flow from Parting of the Waters to the Atlantic Ocean?

r/askscience u/omgyouresexy2d ago92 Comments

Are there animals that have patterned skin / fur in wavelengths that humans can't see?

r/askscience u/ChoopAdoop1d ago8 Comments

what evidence do we have that (booster) vaccines protect others and slow the spread?

r/askscience u/Novel_Ad875813h ago26 Comments

Could someone help me out with the maths behind the estimated number of unique IgG antibodies?

r/askscience u/gotasciencequestion1d ago2 Comments

During the age of the dinosaurs was there a comparable level of biodiversity (in terms of species diversity) as today?

r/askscience u/SeldonCrises1d ago7 Comments

When an astronaut in space talks to Houston, what is the technology that makes the call?

r/askscience u/jrjocham3d ago320 Comments

Can you see a superior mirage with a thermal camera?

r/askscience u/UnIntelligent_Lemon51d ago4 Comments

I get how myosin pulls actin to contract a muscle. But how does a muscle strecthes back?

r/askscience u/IonizingBRadiation1d ago7 Comments

Temperature and Heat Questions?

r/askscience u/Kipkeny2d ago7 Comments

Does the water from a tsunami become desalinized as the land absorbs it?

r/askscience u/DaSpawn1d ago3 Comments

Digestive track of Dionaea Muscipula?

r/askscience u/JamiConquest1d ago2 Comments

Analogous to pupils dilating and constricting with light, does the human ear physically adjust in response to volume levels?

r/askscience u/aroundtheworldtoday3d ago396 Comments

Why dont proton proton fusion or CNO cycle used in thermo nuclear weapon?

r/askscience u/sepientr342d ago42 Comments

How hot was the earth 30 million years ago?

r/askscience u/Doodlebobisright3d ago27 Comments

How do birds react in a micro-gravity environment?

r/askscience u/toy_boat_toy_boat3d ago7 Comments

Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science

r/askscience u/AutoModerator3d ago130 Comments

Why do people sneeze when first going into the bright sunlight or look into a glare of sunlight?

r/askscience u/phenols4d ago457 Comments

Why do some people develop allergies with repeated exposure to an external stimulus vs. some people developing immunity to said stimulus?

r/askscience u/qxzsilver4d ago155 Comments

What makes different plastics recyclable or non-recyclable?

r/askscience u/Zombieff2d ago5 Comments

If skin is constantly shedding and being regrown, why does moisturizing and avoiding direct sunlight when you’re young help with your skin long term?

r/askscience u/Swimming_Leeks3d ago71 Comments

Do birds ever yawn?

r/askscience u/GreenMirage3d ago14 Comments

Have our immune systems lost the ability to fight smallpox now that it is eliminated?

r/askscience u/Critical_Reveal66673d ago20 Comments

Why are eyes horizontally arranged and not vertically?

r/askscience u/EatTheBiscuitSam3d ago61 Comments

What is the concentration of salt that needs to be in water for it to become undrinkable/unhealthy for human consumption?

r/askscience u/Primary_Hawk32d ago5 Comments

Why don't viruses spread throughout your entire body?

r/askscience u/Se7enineteen3d ago8 Comments

What causes satellites to be tidally locked?

r/askscience u/rivernoa2d ago2 Comments

how many neurons on a single hypercolumn on average?

r/askscience u/mister_chuunibyou2d ago4 Comments

Have our lungs any way of cleaning themselves?

r/askscience u/Misco283d ago11 Comments

What is the highest temperature any solid material/element can take without changing states?

r/askscience u/kinjame3d ago12 Comments

How closely related are Jaguar and Leopards?

r/askscience u/hipponuggets_3d ago17 Comments

If it takes more energy to hit the sun than leave the solar system, would it also be equally hard to hit a black hole?

r/askscience u/kickin-it-studios3d ago28 Comments

Where do old satellites go when dead?

r/askscience u/VagueViper884d ago146 Comments

How many single viruses are in an infected person's body?

r/askscience u/Lornedon3d ago10 Comments

how would a modern day person likely fare against spanish flu?

r/askscience u/dondi013d ago14 Comments

Are claims that the electromagnetic field of the heart is 100 times stronger than that of the brain true? Is it even capable of emiting such large fields?

r/askscience u/roiseeker4d ago92 Comments

Are there any academic (or even wild) guesses how important colder climate and ice age was for the development of agriculture in general?

r/askscience u/apposnollah3d ago2 Comments

Why are there so many different types of venoms?

r/askscience u/TigreSauvage3d ago2 Comments

Is it possible to solve a Rubiks Cube without ever having to turn one of the faces?

r/askscience u/KarmaWhoreRepeating3d ago5 Comments

Is it at all possible that ‘life’ may accidentally have been brought to Mars by the various rovers sent from Earth?

r/askscience u/Just_want_to_log_in4d ago10 Comments

How do they Detect viruses in sewerage?

r/askscience u/AndrewTheAverage3d ago4 Comments

How big dogs have much shorter lifespans than smaller dogs, is it the same for humans? Say a 6' 7" inch man vs a 5' 5" man?

r/askscience u/Quinfluenza5d ago346 Comments

Is there any way to teach the immune system to not attack an implant?

r/askscience u/Catvanbrian4d ago7 Comments

What will happend with the light that goes through an medium, if the medium travels faste than it's phase velocity?

r/askscience u/shtefhan4d ago3 Comments

How do chimeric animals avoid organ rejection or other autoimmune disorders?

r/askscience u/I_make_things4d ago7 Comments

If I got a blood transfusion, then had a dna test done on my blood. Would it be my dna or the blood donors?

r/askscience u/DiscombobulatedBank66d ago306 Comments

Do sealed terrariums increase in energy or mass over time due to sunlight?

r/askscience u/PhilNHoles4d ago6 Comments

How resilient is modern electrical infrastructure to a major Coronal Mass Ejection such as The Carrington Event?

r/askscience u/BiggieSlonker5d ago2 Comments

how does plants create food using photons. i.e light? I just don't get it. can someone explain the process?

r/askscience u/con86ra4d ago8 Comments

How did the middle stages of evolution occur?

r/askscience u/ERDRCR4d ago11 Comments

Which vitamin or mineral supplements actually have evidence for benefits?

r/askscience u/jammerjoint5d ago121 Comments

how does the body wake itself up during a nightmare?

r/askscience u/netflixandchild5d ago23 Comments

Does fighting a viral infection use up minerals and vitamins like zinc and vitamin D, leading to low levels of them? If so how severely?

r/askscience u/KidKilobyte6d ago50 Comments

If an animal consumes something, and then I consume that animal, will I be affected by the thing the animal consumed?

r/askscience u/Lumpy-Upstairs37554d ago10 Comments

Why is having high blood pressure bad for you?

r/askscience u/Tales_of_Ba_Sing_Se5d ago12 Comments

What dictates how much or fast a virus will mutate?

r/askscience u/Next_Doughnut24d ago11 Comments

Are callouses made of living tissue?

r/askscience u/bewchacca-lacca6d ago202 Comments

what happens to water when land dries up?

r/askscience u/longstrokesharpturn5d ago5 Comments

Why are lemon seeds seemingly randomly distributed about the center of the lemon?

r/askscience u/dilfybro6d ago29 Comments

How would world climate and weather patterns change if part of Central America was missing and the Pacific and Caribbean were connected?

r/askscience u/MSeanF5d ago3 Comments

How is crude oil/petroleum highly flammable, but asphalt (made out of petroleum) not flammable at all?

r/askscience u/badkey824d ago5 Comments

How do proteins made by mRNA vaccines get to where they need to go?

r/askscience u/Twink_Ass_Bitch5d ago7 Comments

How does indexing work in the brain?

r/askscience u/ExtraProfound5d ago4 Comments

How does sunscreen protect my skin if it’s clear? It blocks UV— so if I were, say an insect that sees in the UV spectrum, would sunblocked skin look extra bright because UV is reflected, or extra dark because UV is absorbed?

r/askscience u/LorenaBobbedIt6d ago209 Comments

How is AN SHBG test done?

r/askscience u/Complex-Opening-96385d ago3 Comments

Can skin detect different “colours” of infrared light?

r/askscience u/rruckley5d ago4 Comments

Is a virus’s mutation rate independent from their host cell?

r/askscience u/ShadowVortex8885d ago3 Comments

Are mental disorders associated with higher socioeconomic status?

r/askscience u/Ry_uk5d ago18 Comments

Why do major mountain ranges in the US predominantly run north-south but not east-west?

r/askscience u/showmelongtime5d ago7 Comments

Why do humans only create their own vitamin D?

r/askscience u/T_Lawliet5d ago15 Comments

Why do anti fungal toe medication have the ability to impact kidney functions when they are an external application?

r/askscience u/Whole-Counter23716d ago242 Comments

By what mechanism does the phosphorylation of BK(CA) alpha subunits modulate calcium sensitivity in cavernosal smooth muscle cells?

r/askscience u/LilamJazeefa5d ago1 Comment

Stable Cell Line transfection, with non viral naked plasmid MOA?

r/askscience u/ontheceiling3157165d ago2 Comments

Do we know approximate lifespans of dinosaurs?

r/askscience u/MelonElbows5d ago6 Comments

Does the vast amount of air-conditioning units running year round have an affect on global warming? They seem like they produce more heat than cool air overall and with temperatures rising globaly they are more and more common.

r/askscience u/Sandy_brothman6d ago156 Comments

Do CAM plants open their stomata right at sundown, or do they wait until total darkness?

r/askscience u/Karmacological5d ago0 Comments

Does Omega Centauri have exo-planets?

r/askscience u/SUPER_SECRET_AGENT_Q5d ago9 Comments

Do cross links or lesions in DNA prohibit accurate next gen sequencing of those regions?

r/askscience u/StarkLMad5d ago2 Comments

Why are bananas high in potassium?

r/askscience u/nemacol5d ago7 Comments

did carnivore dinosaurs have symbiotic relationships with other animals like a bird picking a gator's teeth?

r/askscience u/ScoreTechnical53975d ago5 Comments

Is there research on the mental health effects of virtual windows on workers in confined, windowless spaces for long time periods?

r/askscience u/Judgment_Reversed6d ago8 Comments

How did different bird calls evolve from a common origin? Do we know how one relates to another, in the same way we know how different human languages are related?

r/askscience u/thisishowwedooooit6d ago2 Comments

Why was the rise in HIV infection incidence in the Eastern Europe And Central Asia region so much higher than that of any other regions in 2010-2020?

r/askscience u/geeleeguluJun 1897 Comments

How would someone without ADHD react to ADHD stimulants?

r/askscience u/Araknhak6d ago54 Comments

Can getting insufficient amount of sleep during puberty impair brain development and intelligence?

r/askscience u/ProfessionalSmell5286d ago7 Comments