A broad category referring to the study of the physical universe including nature and biology.

Humans are Hardwired to be Social Beings


Are Humans Hardwired to be Social Beings?

Humans are hardwired to be social beings. We naturally cooperate, care, and compete. From quarks, to cells, to plants, to animals, cooperation is in our DNA.

Survival of the Fittest, Only the Strong Survive


Does Survival of the Fittest Imply Only the Strong Survive?

“Survival of the fittest” means that those who are best adapted to their environment thrive and tend to be favored by evolution due to “natural selection”. It does not mean that “only the most physically strong or mentally strong thrive”.

Humans Have About 86 Billion Neurons


Humans have about 86 billion neurons

Studies show the average human has about 86 billion neurons and roughly as many glial cells, however the exact number of neurons and glial cells remains unknown.

The Average Human Has an Accurate Memory


Does The Average Human Has an Accurate Memory?

The average human has a limited short-term memory and a fairly inaccurate long-term memory. This is due to the way we process, encode, and recall memories.

People Can Multitask Effectively


Can Humans Pay Attention to More Than One Thing Effectively?

People can’t multitask effectively. Giving simultaneous attention to tasks, or alternating and dividing attention between tasks, reduces the performance of at least one task.

Diamond is the Hardest Natural Substance


Is Diamond the Hardest Natural Substance?

Diamond is the most common of the naturally occurring “hardest” substances, but Q-carbon, wurtzite BN, lonsdaleite, ultrahard fullerene, graphene, and carbyne are all harder.

Light Can Affect Mood


Light Can Affect Mood

Exposure to light in moderation, especially natural sunlight, can have an uplifting effect on mood, while excessive darkness can have the opposite effect.

Thoughts Can “Rewire” Your Brain


Thoughts can rewire your brain.

Thoughts and other stimuli can essentially “rewire” our brain, strengthening useful synaptic pathways and weakening less used ones, this is called neuroplasticity (AKA learning and memory).