The Earth's rotation began with the collapse and spin of a primordial gas and dust cloud.

• The collapse under gravity led to spinning and the formation of planets.
• Earth's rotation is due to the initial angular momentum from the primordial cloud.

Ants greatly outnumber humans and previous mass comparisons have been corrected.

• There are possibly 20 quadrillion ants, equating to 2.5 million ants per human.
• The previous claim of equal human and ant mass was based on overestimated average ant weight.

Human bodies have a high concentration of bacteria which play a role in digestion and immunity.

• There are more bacteria cells than human cells in the body.
• The bacteria are concentrated in the digestive system.

Metallic hydrogen is theorized to explain the strong magnetic fields of gas giants.

• Alkali metals and hydrogen's properties suggest the possibility of metallic hydrogen.
• It might exist in gas giants like Jupiter and Saturn due to high pressures and temperatures.

Bananas, among other fruits, produce antimatter particles due to the presence of potassium-40.

• Each banana produces one positron approximately every 75 minutes.
• The human body naturally produces about 180 antimatter particles every hour.

Humans share 99.9% identical DNA, with significant diversity present in the remaining 0.1%.

• Humans and chimpanzees share 96-99% of DNA depending on the metric used.
• The small percentage difference still allows for individual genetic diversity.

Crows are highly intelligent, capable of complex communication and having a strong memory.

• Crows can use tools, solve puzzles, and have memory capabilities similar to a 7-year-old child.
• They can remember human faces and communicate threats to their community.

It is hypothesized that diamond rain occurs within ice giants like Neptune and Uranus.

• High pressures and temperatures could cause methane to break down and form diamond structures.
• These diamonds would rain down towards the planets' cores.

Cumulus clouds are heavy, weighing approximately as much as four adult blue whales.

• The average density and size of a cumulus cloud result in an average weight of 500,000 kg.
• Clouds float because their weight density is lower than that of the surrounding air.

Exponential growth and factorials can produce numbers larger than the quantity of atoms in the Milky Way.

• The possible arrangements of a standard poker deck are an example of exponential growth.
• There are 8.1 x 10^67 ways to shuffle a deck of cards.

Both humans and pets can develop allergies, including pets being allergic to their human owners.

• Allergies are caused by an overreaction of the immune system.
• Pets can manifest allergies to humans, though it is rare.

Humans perceive wetness through a combination of sensory cues, as skin lacks specific receptors for moisture.

• The perception of wetness is based on temperature, texture, and pressure rather than direct detection.
• Our brains guess whether something is wet, and can sometimes be incorrect.

Many animals possess magnetoreception for navigation, a sense not present in humans.

• Magnetoreception allows detection of the Earth's magnetic field.
• Theories suggest animals may use iron, electromagnetic induction, or cryptochrome to sense magnetic fields.

The cosmological Event Horizon marks the point beyond which objects can never return to Earth.

• Located 7.2 billion light years away, it represents the limit of potential return even at light speed.
• The universe's expansion causes this horizon.

The expansion of the universe limits the distance humanity could travel, even at the speed of light.

• The observable universe extends beyond the cosmological Event Horizon.
• It's scientifically impossible for humans to visit about 86% of the observable universe.

The expanding universe will lead to Earth becoming more isolated as stars and galaxies move beyond visibility.

• The observable universe will shrink as celestial bodies become too distant to see.
• Most of the observable universe is already moving towards this fate.

Humans are bioluminescent, emitting light that is too faint for our eyes to perceive.

• The light emitted by humans is in the visible spectrum but too dim to detect without sensitive cameras.
• Bioluminescence is a byproduct of metabolism and is likely shared with all animals.

Liquid oxygen has a pale blue color, unlike many other colorless liquid elements.

• Most liquid elements lack color, but liquid oxygen breaks this pattern.
• The color of liquid oxygen is similar to the color of the sky on a clear sunny day.

Female Komodo dragons can reproduce asexually, a necessary adaptation for this often violent and isolated species.

• They undergo parthenogenesis, where a polar body acts as sperm to fertilize their egg.
• This results in male offspring and is not a viable long-term solution for species propagation.

A physicist listed his cat as a co-author on a research paper to correct a procedural issue.

• The cat's name was disguised as F.D.C. Willard to meet the journal's authorship requirements.
• The truth about the feline co-author was revealed three years later.

There are more trees on Earth than stars in the Milky Way, contrary to common belief.

• There are approximately three trillion trees on Earth, compared to 100-400 billion stars in the galaxy.

Scientists can now create pluripotent stem cells from mature cells, potentially revolutionizing organ replacement.

• Induced pluripotent stem cells can be cultivated and coded with an individual's DNA.
• This eliminates the need for donors and the risk of organ rejection.

Photons can take 100,000 years or more to travel from the Sun's core to its surface due to a 'random walk' path.

• The dense plasma of the Sun's core causes photons to constantly bounce off particles.
• The photon that reaches the surface is not the same one that started the journey.

Most life on Earth remains unidentified, with estimates suggesting millions of species yet to be discovered.

• Estimated 8.7 million species of animals exist.
• Only 2.16 million species have been described and identified.

Marie Curie is the only person to win Nobel Prizes in two different scientific disciplines.

• She won the Nobel Prize in Physics in 1903 and in Chemistry in 1911.
• She was the first woman to win a Nobel Prize and the first person to win two.

Banana peels are confirmed to be extremely slippery, with the potential for scientific applications.

• The coefficient of friction between a banana peel and surfaces is very low.
• The substance causing slipperiness may have applications for artificial joints.

Botanically speaking, strawberries are not berries, but bananas, eggplants, and watermelons are.

• A botanical berry must have three distinct layers, contain at least two seeds, and grow from a single ovary.
• Strawberries, blackberries, and raspberries are aggregate fruits, not berries.

Over half of museum plant specimens were found to be incorrectly labeled, highlighting challenges in taxonomy.

• Mislabeling is often due to the vast number of species and ongoing taxonomic debates.
• The complexity of species classification contributes to labeling issues.

Modern chemistry has achieved the alchemical goal of transmuting elements into gold, though not practically.

• Nobel Prize-winning chemist Glenn Seaborg turned bismuth into gold using a particle accelerator.
• The process is not practical due to its complexity and cost.

The fresh scent of cut grass is actually a distress signal emitted by plants.

• Green Leaf volatiles are released as a warning to other plants.
• The scent attracts predatory insects to prey on herbivorous insects.

The sense of smell is closely linked to memory, due to brain anatomy.

• Smell is processed close to the brain's emotional and memory regulation areas.
• Scents can trigger vivid, emotionally evocative memories.

Crustaceans have independently evolved into crabs multiple times, a phenomenon known as cariz.

• Different species of crustaceans have evolved into crab-like forms due to similar environmental pressures.