News
New Paper Has Bad News for Popular “Oxygen Theory” of the Cambrian Explosion
1+ day, 5+ hour ago (760+ words) The patterns of disparity observed during the Cambrian pose two unresolved questions. First, what evolutionary process produced the gaps between the morphologies of major clades? Second, why have the morphological boundaries of these body plans remained relatively stable over the…...
Olfaction in Three Dimensions: Introducing the Nasal Cycle
1+ week, 1+ day ago (441+ words) When I graduated from medical school many years ago, I remember being told that in about ten years, half of what I had been taught would be outdated, and the other half would be dead wrong. Being a young, newly…...
With Neanderthals and Denisovans, We Are All the Same
1+ mon, 3+ week ago (874+ words) Evolutionary anthropologists need to stop putting people groups into "less evolved" categories. It's a form of historical racism." Source Making the rounds on the mainstream media recently has been a story that "lead exposure helped shape human intelligence" (Science Daily)....
The Neanderthal Story Keeps Evolving (Even if Nothing Else Does)
1+ mon, 3+ week ago (619+ words) The Neanderthals now exist as a separate group only in terms of what we can find out about them. We could say the same for a lot of groups. But we are still learning and surmising new things. One theory,…...
Perhaps Neanderthals Never Truly Went Extinct
1+ mon, 3+ week ago (622+ words) Despite the fact that we know that Neanderthals were capable of producing jewellery and using coloured pigments, there has been much objection to the notion that they explored deep caves and left art on the walls. But recent work has…...
Ancient Eyes, Modern Design: The Remarkable Vision of Trilobites
2+ mon, 2+ week ago (436+ words) Does this discovery suggest that the principles of compound vision emerged nearly half a billion years ago as the authors concluded? Source Trilobites, extinct marine animals that first appear in the Cambrian rock layers, glided across ancient ocean floors. Typically,…...
The Engineering Explanation for “Evolution Before Our Eyes”
2+ mon, 2+ week ago (230+ words) A design or phenotype that is maximally optimized for one trait, such as we see at point A in Figure 1, which is maximized for Performance 1 (acceleration), is called an "archetype." Here's how Uri Alon describes this reverse engineering: We simply…...
Berlinski on Human-Chimp Differences, Human Origins, and More
4+ mon, 1+ week ago (255+ words) He challenges Stephen Jay Gould's idea that the difference between humans and chimps is merely one of degree but not kind, calling this "utterly ridiculous." Source On a classic episode of ID the Future, I continue my conversation with mathematician…...
Not So Brutish After All
5+ mon, 1+ week ago (345+ words) Here is some surprising information about humans from 300,000 years ago. At'ZME Science,'Mihai Andrei'writes: For decades, our image of early humans has been shaped by what they left behind. Usually, this meant sharp stone blades, crude axes, and piles of…...