Asklemmy

Retinal photosynthesis, also known as the Purple Earth Theory. Colours are weird. Earth plants absorb red and blue light, they look green to us because that’s the wavelength of light that cannot be used by the chloroplasts.

It’s hypothesized that this was advantageous on Earth because blue light goes further into water than the other wavelengths, facilitating the development of photosynthetic algae

Retinal photosynthesis is another viable chemical chain reaction that could be used to create ATP (usable biological energy) from light.

It’s another molecule similar to chlorophyll, but it absorbs green light instead of red/blue - alien planets might be purple!

There’s a viable parallel evolutionary pathway that leads to plants with magenta leaves

When the moon is at its farthest orbit from earth, all of the planets in the solar system can fit in between earth and the moon.

The label 'homo sapiens' for our species.

That time passes differently in galaxies with different gravities. One of these galaxies is Mormon heaven.

the implication of einsteins mass-energy equivalence formula is mind-blowing to me. one gram of mass, if perfectly converted to energy, makes 25 GWh. that means half the powerplants in my country could be replaced with this theoretical "mass converter" going through a gram of fuel an hour. that's under 10 kilograms of fuel a year.

a coal plant goes through tons of fuel a day.

energy researchers, get on it

Biological evolution

Infinity and Black Hole

The fact that there is no discernable difference between an alive body or a dead body when it comes to chemical makeup.

All the pieces are there. All the atoms and molecules are still in the same places. Yet despite this the body is still dead.

There are more hydrogen atoms in a molecule of water than there are stars in the solar system

The fact that planes are kept in the air by the shape of their wings, which forces air to go over at a pace when it can't push down on the wing as hard as it can push up from underneath. It's like discovering an exploitable glitch in a videogame and every time I fly I worry that the universe will get patched while I'm at 10,000 feet.