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What’s happening in your body that causes the sensation of fatigue? Not the macro causes like poor sleep, etc. Decrease or increase of a particular hormone or something along those lines? |
Why did the Laurentide Ice Sheet form and receed like it did? |
How are the varying kinetic energies and momentums from different reference frames balanced when dealing with relativistic speeds? |
How many stars in the sky don't exist? |
What does an unborn baby have in it's lungs? |
Why are there dunes? |
In placental mammals, does the placenta come from the embryo or the mother? |
Why is there a visible cone of a tornado when it’s made of rotating air? |
do we have more or less trees than we did 30 years ago? |
Does being exposed to a disease during a period of immunity prolong your resistance? |
Why five fingers? Why not 3, 7, or 9? |
What causes arctic animals to shift between summer and winter coats? |
Are there invasive species from the Americas in Africa/Asia/Europe? |
Mt Rainier lasted erupted in 1450 CE and has a pointy peak. How long does it take for a volcano to turn into a peak? |
How long would it take for the land under antarctica to fully resurface if all the ice above it dissappeared this instant? |
How long does an `evolution` of a rhinovirus last before going extinct? |
Is energy actually conserved? |
How can gene edits prevent viral infection? |
It is widely said that age of the universe is around 14 billion years. According to whom? |
Why did NASA's Orion capsule change colour after reentry? |
Why were there massive spikes in exoplanets discovered in 2014 and 2016? |
How does both nuclear fusion and nuclear fission release energy? |
Axiomatic definition of classes of L functions? |
How exactly does the Pauli Exclusion Principle play a role in contact forces vs electrostatic repulsion? |
Why is one side of the Mississippi River flat, and the other side hilly? |
What dictates which field is excited in QFT? |
If moving at near (90+%) light speed, can a person travel 'n' light-years and experience LESS than 'n' years, or is their minimum perceived travel time equal to the number of light years in the journey? |
What were all the small explosion tests in Oppenheimer? |
How is the Internet speed at the ISS over 1GB/sec? |
Which river on earth is currently changing its course the fastest/slowest? How can we tell? |
How do birds know which way is south? |
How do researchers quantify depression,anxiety,bipolar etc in mice models? |
Can crows from different regions communicate? |
How can eyes heal themselves when they have immune privilege? |
How fast do macrophages move around? |
Why do some insect fossils still have colors ? |
How does lactose enter lac operon? |
What is the deal with co-occurring allergies that don't make sense in terms of clades? |
What's the layman definitions for the SI units? |
Why can't cats with FIV (Feline Immunodeficiency Virus) be given medication for HIV (Human Immunodeficiency Virus)? |
How do researchers give lab rats cancer? |
Why do banana peels connected to the banana turn black in the fridge even if not ripe? |
What's the limit to the placebo effect? |
Do octopodes change color beyond the visible spectrum of light? |
Is the flavor of a strawberry concentrated in certain parts of the fruit, or is it distributed evenly throughout? |
Why is body/facial hair such a strongly sex-linked trait in humans? Is there any potential evolutionary reason for it being correlated with testosterone and present largely only in males? |
if you put a scale underwater with the face pointing up, would it show the weight of the water above it? |
How is it possible to hear sound under water? |
How do ecosystems function? |
What are the fundamental forces of nature? |
How do electric and magnetic fields interact? |
What is the process of mitosis and meiosis? |
What is the significance of the Hubble Space Telescope? |
What is evolution? |
Why do leaves fall in autumn? |
Why do we have seasons? |
How do planetary rings form? |
How do cameras work? |
Why does salt melt ice? |
What are allotropes and how do they differ? |
How do hormones regulate bodily functions? |
What is a supernova? |
What causes thunder? |
What is the role of ribosomes in protein synthesis? |
What causes earthquakes? |
How TVs switched from b&w to color? |
What are the different types of sedimentary rocks? |
What is the periodic table and how is it organized? |
What is the role of environmental monitoring in protecting ecosystems? |
What are the processes of tectonic deformation? |
What are the effects of urbanization on natural habitats? |
How does light behave as both a wave and a particle? |
How do we study and manage air quality? |
What are the effects of land use change on ecosystems? |
What is the role of conservation biology in protecting species? |
How do we study and protect wetlands? |
why are heartbeat, pulse, breathing like a wave? Why do wave exists in the universe? |
What is the role of neurotransmitters in the brain? |
What are the layers of the Earth? |
How do plants reproduce sexually and asexually? |
What is the role of geochemical cycles in the Earth's system? |
How are mountains formed? |
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