Trend Results : Origin of Species


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How Did The Hugest Whales End Up With Baleen Instead Of Teeth?

In the middle of On the Origin of Species, Charles Darwin took a moment to note down one of the natural mysteries that dogged him most. "The Greenland whale is one of the most wonderful animals in the world," he wrote, "and the baleen,...Show More Summary

Designer Legs

I came across this image on the internet which makes a clever point regarding in response to those who argue that 'intelligent design' and not evolution is responsible for the origin of our species.

Cytochrome c Oxidase Sequences of Zambian Wildlife Helps to Identify Species of Origin of Meat

Accurate species identification is a crucial tool in wildlife conservation. Enforcement of antipoaching law is more achievable with robust molecular identification of poached meat. Determining the region where the animal may have been taken from would also be a useful tool in suppression of cross-border trade of poached meat. Show More Summary

Is The Tree Of Life Necessarily Tree-Shaped?

Given the transfer of genes across species, is the tree of life not really a tree? This question was originally answered on Quora by Drew Smith.

Ancient gecko shines light on Australian desert origins

Researchers have discovered an ancient species of gecko in the ranges of Central Australia which may shine new light on how and when Australia's deserts began to form millions of year ago.

The Science Behind Smiling

2 weeks agoHumor / odd : The Presurfer

On The Origin of Species is Darwin's most famous work, but he also wrote a much lesser known book titled The Expression of the Emotions in Man and Animals, where he claimed that all humans show emotion through similar behaviors.ThisShow More Summary

Taxonomy: Preserve specimens for reproducibility

3 weeks agoAcademics : Nature

The description of a new species without a preserved type specimen has always been permitted (T.Papeet al. Nature537, 307;10.1038/537307b2016) — but it should not become the norm. Original specimens allow testing of the hypotheses t...

The Paleolithic Origin of Science and Philosophy in the Art of Tracking

This is a video from 2001 of Karoha Langwane, a /Gwi tracker from Lone Tree in the central Kalahari, Botswana, running an eight-hour-long persistence hunt of a kudu bull (a species of antelope), which requires the cognitive skill for tracking animals. Show More Summary

A 'transitional fossil' debunked

(Society of Vertebrate Paleontology) Snakes are a very diverse group of present-day reptiles, with nearly 3,600 known species. They are readily recognized by their long bodies and lack of limbs. The origin of snakes from lizard-like precursors with paired limbs has long been a controversial subject.

A 'transitional fossil' debunked

Snakes are a very diverse group of present-day reptiles, with nearly 3,600 known species. They are readily recognized by their long bodies and lack of limbs. The origin of snakes from lizard-like precursors with paired limbs has long been a controversial subject. Show More Summary

Magical probotic mouthwash to eliminate migraines?

The theory is that migraines originate in the digestive tract, not the head. A new study offers compelling evidence that the head may not be the origin of these headaches, but rather the digestive tract. Certain bacterial species inhabiting the mouth and gut, if not at fault outright, are at least a trigger. These species [...]

Unfamiliar bloodline: New family for an earthworm genus with exclusive circulatory system

New earthworm family, named Kazimierzidae, has been established for a South African indigenous genus of 21 species. Although the circulatory system in the group has been regarded as exclusive upon their original description in 2006, their raising to a family status have only recently been confirmed by a research team from South Africa.

How a Rare Darwin Sketch Finally Got Published After 183 Years

2 months agoNews : Newsweek: US

In 1833, a little more than a quarter-century before publishing On the Origin of Species, with the Beagle at anchor off the treeless shores of Port Desire, southern Argentina, Charles Darwin sat down and drew a flower.  Just one flower,...Show More Summary

Graduate Student Unlocks the Secrets of Sea Turtle Evolution

Ctenochelys acris Comes Out of its Shell Palaeontologists have long puzzled over the origins of today’s extant species of sea turtle.  Thanks to the efforts of a post-doctoral student at the University of Alabama (Birmingham, Alabama, USA), scientists have been able to confirm the existence of a marine adapted turtle representing the oldest known member […]

Ancestor rice of Suriname Maroons traced back to its African origin

Maroons, the descendants of escaped African slaves who live in the interior of Suriname today, grow their own rice. In addition to many types of Asian white rice (Oryza sativa), they also cultivate a species with black grains (Oryza glaberrima). This 'blaka aleisi' is rarely eaten but instead offered to ancestors and used in spiritual herb baths.

The Future History of the Two Human Races: A Parable

Click here for reuse options! Things are not looking good for the long haul... There turned out to be two races of humans, not based on ethnic origin or creed, but on adaptive strategy. When times got tough, the species split. One regressed toward brute strategies, the other toward attempts to reason out solutions that work for the long haul. Show More Summary

Fernbank’s immense urban forest reopens

In 2012, when Fernbank Museum took over management of the land from the Science Center, employees found that the original “fern bank” and the surrounding forest had become choked with invasive species. After four years of sorely needed ecological restoration, Fernbank Forest reopens this weekend.

Why drug discovery is hard, part 2: On the unpredictable and complicated origins of drug species

The Brazilian pit viper, a fascinating and unlikely sourceof drugs leading to Captopril, one of the world's bestselling blood pressure-lowering drugs (Source: venomstodrugs) Drugs from the forest. Drugs from the sea. Drugs from every conceivable natural source ranging from fungi to frogs; that's much of the history of drug discovery. Show More Summary

Two Guises of Religion

Religion can appear under the guise of a childish refusal to face the supposed truth that we are but a species of clever land mammal with no higher origin or destiny. It can also appear under the guise of transcendence...

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