Evolutionary Biology

Evolutionary Biology

quasar-galaxy hybrid Is our first “galaxy-quasar hybrid” also a Little Red Dot?
Found by Hubble before JWST's launch, GNz7q looked like a mix of a galaxy and a quasar. Was it actually our first known "little red dot"?
25 min
Are we blinded by our desire to find extraterrestrial life?
“Deep down the natural endpoint of this whole goal of looking for planets is to answer the question: are we alone?”
A sketch of a seated, nude figure resting their chin on one hand, surrounded by dark shading and a textured background, evokes an atmosphere of philosophy horror. 5 horrifying stories that double as lessons in philosophy
Each of these stories rests on a foundation of great ideas that will scare you to death and make you think.
What do distant observers see when they look at Earth?
From here on Earth, looking farther away in space means looking farther back in time. So what are distant Earth-watchers seeing right now?
Two hands, one light and one dark, each holding a contrastingly colored molecular structure against a gradient background. “Mirror life” and the recurring nightmare of scientific apocalypse
The fear of unleashing forces beyond control has haunted science for centuries.
A dense star field with dark, irregular dust clouds—where cosmic dust come from—obscures parts of the glowing stars in the Milky Way. Ask Ethan: Where does cosmic dust come from?
Dust is ubiquitous in the modern Universe, appearing in nearly all galaxies. But our cosmos was born dust-free. So where does it originate?
Close-up split image showing the left half of a human eye and the right half of a purple flower, highlighting the detail and texture of both subjects.
3 min
Fearing death keeps us from living. 3 experts explain.
Biologist Tyler Volk PhD, psychiatrist Bruce Greyson MD, and palliative care physician BJ Miller MD, reveal how confronting mortality can improve the way we live.
Unlikely Collaborators
Two red-toned, woodcut-style portraits side by side: one of a gorilla and one of an older man with a beard, on a beige background.
8 min
The history of natural selection, in 7 minutes
“The idea of evolution by natural selection is, for me, probably the most beautiful idea in biology.”
A small, irregular brown stone with holes—possibly linked to Denisovans—is shown next to a 1990 U.S. dime for size comparison. How a dime-sized bone rewrote the story of human evolution
In “The Secret History of Denisovans,” Silvana Condemi and François Savatier trace the story of our mysterious hominin ancestor.
A digital illustration of a hermit crab with a shell resembling a human brain, shown in two square sections over the shell. Think like a crow, choose like a crab: The animals inside our minds
A conversation about intelligence and consciousness with philosopher Peter Godfrey-Smith.
Three circles show, from left to right, an oyster shell, a Vitruvian-style human figure, and a swirling spiral, linked together on a textured lavender background. The philosophers who predicted “ultimate” forms of consciousness
Philosophers once prophesied that evolution would lead to minds far greater — and stranger — than our own.
Black and white close-up of an older man with glasses, a bushy mustache, and beard, resting his chin on his hand and looking directly at the camera. Daniel Dennett: Consciousness is no miracle. It’s a magic trick.
"For many people, the idea that consciousness is a set of tricks is offensive," the late philosopher told Big Think in 2012. "I think that's a prime mistake."
Diagram showing human evolutionary relationships and gene flow among Khoisan, West Africans, Non-Africans, Neanderthals, and Denisovans over time, with percentages of genetic admixture indicated. Evolution isn’t a straight line: Modern humans come from 2 ancient lineages
After more than a million years of separation, two branches of humanity reunited around 300,000 years ago, suggests new research.