X, Y, Male, Female…
In most mammals, us included, biological sex is determined by a lottery between two letters: X and Y, the sex …
Tag Archives: biology
Abre los ojos: Right-handed. Left-handed. It matters not… [Asymmetry is just a phenomenon]
Other people are right-handed and other people are left-handed. “Handed-ness” or left-right asymmetry is prevalent throughout the animal kingdom, including …
Changing color. Turing. Von Neumann. Automata. Thinking. Tautologies.
Skin colour patterns in animals arise from microscopic interactions among coloured cells that obey equations discovered by the mathematician Alan …
Walking with your hands… (and feet, ok) Living. Dying.
We humans walk with our feet. This is true, but not entirely. Walking, as part of locomotion, is a coordinated …
Life. As No Life. As a rock. [A case of false biosignatures and what they tell us for the philosophy of biology definitions]
The geological search for ancient life frequently zeroes in on fossilized organic structures or biominerals that can serve as “biosignatures,” …