#WWB Science
Is the Fermi Paradox still relevant?
It is a useful abductive reasoning model but challenges us to confront the limits of our technology, imagination, and perspective.
Are bonobos and chimpanzees separate species?
Bonobos and chimpanzees are separate species and cannot interbreed.
Did red algae descend from green algae?
Red algae did not descend from green algae. Both lineages split from a shared ancestor about 1.5 billion years ago, then adapted independently to different ...
What does Neanderthal rope indicate about our mental abilities?
Around 50,000 years ago, rope-making shows Neanderthal planning, technique, and shared cognition long before modern humans stood alone. This discovery helped reframe Neanderthals as more ...
What great apes have fur and which have hair?
All great apes share the same general hair-follicle pattern and follicle count—a primate pattern that likely goes back over 50 million years.
What’s the minimum change needed to breathe air on Mars?
We need to raise the atmospheric pressure, boost oxygen above Earth-levels, and strip out most of the carbon dioxide.
What is the difference between volume and mass?
Physics < Science
Does sound change pitch in water?
Sound does not change pitch when it moves to a new medium. Frequency remains constant. Speed and wavelength adjust, revealing a deeper consistency.
What’s the difference between common ions and ionization in physics?
None. Both describe the same process of atoms or molecules gaining or losing electrons.
When did we discover stars are mostly made of hydrogen and helium?
In 1925, Cecilia Payne showed that stars are composed primarily of hydrogen and helium, overturning Earth-centered assumptions about the universe.
What was the IQ of Homo habilis, and did they ask questions?
Homo habilis, living two million years ago, likely had an IQ of 50-60. Their early cooperation in hunting and childbirth may have sparked simple, abstract ...
What is the nature of timbre?
Multiple sound waves including both harmonic and overtone waves, as well as the attack and decay which is the shape of the waves individually and ...
What is the IQ of a chimpanzee?
Comparing the EQ of chimps and humans gives chimps an equivalent IQ of about 35 to 40.
How far away is Voyager 1?
Voyager 1 is more than 160 AU from the Sun, the farthest yet, but still only at the edge of our cosmic neighborhood.
What does LUCA tell us about our origins?
LUCA shows that all life on Earth shares a single, ancient origin—making life fundamentally connected, not divided.
Did Homo heidelbergensis speak?
Language likely emerged gradually, and its roots probably predate modern humans by hundreds of thousands of years.
When did blood evolve in life on Earth?
Blood evolved gradually over billions of years; oxygen-carrying hemoglobin later transformed complex life.
Does gravity travel, or does it exist everywhere all at once?
When thinking about the speed of light, remember that gravity never waits. Light can be delayed by matter, but gravity propagates freely through spacetime.
Is the Big Bang singularity scientific or philosophical?
The singularity is more philosophical. While the universe's expansion is scientific, the singularity itself remains speculative and unproven.
When did ancient humans develop symbolic thought?
Neanderthals in Spain were leaving unmistakably symbolic marks on cave walls at least 70,000 years ago.