Articles written by Jenny Ashford
Showing 1-50 of 132 Articles
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Infertility Mutation Common in Males
A newly discovered gene variation causes lowered fertility. The mutant allele of gene DEFB 126 may be carried in the genome of as many as half of all men.
Jul 21, 2011
- Jenny Ashford
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Human Population May Have Almost Split Into Two Species
Genetic evidence suggests a temporary branching and subsequent recombination in early human lineage.
Jul 6, 2011
- Jenny Ashford
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Primate Evolution Spurred By Snakes?
The relationship between snakes and pre-humans may have compelled particular adaptations, including improved vision.
Jun 29, 2011
- Jenny Ashford
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Human Evolution Has Recently Been Speeding Up
Over the past 5,000 years, the human genome has evolved at a rate far faster than at any other time in its history.
Jun 21, 2011
- Jenny Ashford
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Human Evolution and the Domestication of Animals
Ancient humans' relationship with companion animals may have spurred evolution in more ways than one.
Jun 7, 2011
- Jenny Ashford
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Previously Unknown Fossil Primate Found in Texas
Small proto-simian strengthens Eocene link between North American and East Asian land masses.
May 31, 2011
- Jenny Ashford
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Evolution Still Not Taught at Many Public Schools
Controversy over religious ideas and teachers not sufficiently trained in the subject ensure that evolution gets short shrift in classrooms.
May 27, 2011
- Jenny Ashford
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So-Called 'Nutcracker Man' Probably Didn't Eat Nuts
New findings show this early hominid's diet was far different from what was previously thought.
May 17, 2011
- Jenny Ashford
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Findings Suggest Neanderthals Were Probably Cannibals
Fossils from Spain indicate Neanderthals ate one another to stave off starvation, or simply as a cultural norm.
May 10, 2011
- Jenny Ashford
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Ancient Humans, Right-Handedness, and Language
Fossils indicate right-handed dominance in human ancestors and suggest early brain asymmetry.
May 3, 2011
- Jenny Ashford
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Racism Likely Has an Evolutionary Basis
Studies of rhesus monkeys demonstrate that proto-racist attitudes may be present in humans' simian relatives.
Apr 12, 2011
- Jenny Ashford
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Pre-Clovis Stone Tools Found in Texas
Human migration into the Americas happened earlier than previously theorized.
Apr 12, 2011
- Jenny Ashford
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All Blue-Eyed People Are Related
The mutation that originally caused blue eyes can be traced to a single common ancestor.
Mar 23, 2011
- Jenny Ashford
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Rapid Human Evolution Seen in Highland Tibetans
In the relative blink of an eye, natural selection acted upon a segment of the Chinese population, making them tolerant of high altitudes.
Mar 23, 2011
- Jenny Ashford
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More Evidence That Lucy Was Bipedal
Recently discovered foot bones from A. afarensis suggest that the species walked more than they climbed.
Mar 1, 2011
- Jenny Ashford
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Rapid Evolution in the Soapberry Bug
Change in environment caused swift selection in southern U.S. insect species.
Feb 28, 2011
- Jenny Ashford
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Simple Marine Worms More Closely Related to Humans
Two reclassified groups of organisms are more complex than previously thought.
Feb 23, 2011
- Jenny Ashford
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Adultery and the Evolution of Testicle Size
Among animals, including humans, size of testes can be a clue to species promiscuity.
Feb 9, 2011
- Jenny Ashford
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Fossil Fish Show Evidence of Internal Fertilization
Finds push the origin of sexual intercourse back several million years.
Jan 26, 2011
- Jenny Ashford
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The Antwerp Diamond Center Heist
In 2003, a gang of thieves made the largest haul in history, and many details of how they did it remain a mystery.
Jan 11, 2011
- Jenny Ashford
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The Mystery of the Voynich Manuscript
The illustrated fifteenth-century book is written in an unknown language and still puzzles experts today.
Jan 4, 2011
- Jenny Ashford
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New Type of Ancient Human Found in Siberia
Fossils of Denisovans suggest a subgroup unlike modern humans or Neanderthals.
Dec 28, 2010
- Jenny Ashford
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Popular Sodas Started Life As Medicines
Most of today's best-selling soft drinks - including Coke and Pepsi - were originally marketed as tonics.
Dec 22, 2010
- Jenny Ashford
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Mary Mallon, the Original Typhoid Mary
The Irish cook was responsible for infecting dozens of people in early 20th-century New York City.
Dec 15, 2010
- Jenny Ashford
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CERN Unveils a New Device for Trapping Antimatter
Researchers are confident that the new "trap" will help in studying the strange matter/antimatter imbalance in the universe.
Dec 7, 2010
- Jenny Ashford
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Religion, Secularism, and Charity
Although some studies seem to show that the religious are more generous, the truth is actually far more ambiguous.
Dec 1, 2010
- Jenny Ashford
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Studies Show the Poor are More Empathetic
Paradoxically, individuals of lower socioeconomic status seem to have superior social and emotional skills.
Nov 17, 2010
- Jenny Ashford
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Differences Between Human and Neanderthal Brains
While early brain development in the two species is similar, major differences occur later and point to significant divergence in brain function.
Nov 10, 2010
- Jenny Ashford
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Hartley 2 Flyby Could Shed Light on Comets Seeding Earth's Oceans
Icy impacts may have provided water and essential organic compounds early in the planet's history.
Nov 4, 2010
- Jenny Ashford
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Genetics Makes Alcoholism Less Likely
Some people possess a gene variant that protects them from becoming alcoholics by making them highly sensitive to ethanol.
Oct 20, 2010
- Jenny Ashford
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Why Cell Phones Can't Cause Cancer
Despite hysterical claims, it is impossible for the miniscule amount of energy emitted by cell phones to cause damage to the body.
Oct 14, 2010
- Jenny Ashford
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The Family Life and Death of Tutankhamun
Several new findings shed light on the boy king's family tree and mysterious death.
Oct 5, 2010
- Jenny Ashford
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Were Humans Once Aquatic Apes?
The idea that recent human ancestors may have once lived in the water is not taken seriously, but raises interesting questions.
Sep 29, 2010
- Jenny Ashford
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Ancient Hepatitis Virus Found in Bird Genome
The discovery of a virus nearly identical to current hepatitis-B shows hepadnavirus is older than previously thought.
Sep 29, 2010
- Jenny Ashford
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The Rosenhan Study and the Fine Line Between Sane and Insane
A landmark 1973 study demonstrated that telling the difference between sanity and insanity isn't so cut and dried.
Sep 17, 2010
- Jenny Ashford
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Internal Clocks Regulated By Genes
Research on human hair reveals peaks and valleys in human sleep cycles.
Aug 24, 2010
- Jenny Ashford
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Scientists Discover What Could Be World's Oldest Fossil Animals
The accidental discovery of Cryogenian-era sponges suggests life is 70 million years older than previously thought.
Aug 18, 2010
- Jenny Ashford
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Haitian Zombies and Puffer Fish Poison
Do voodoo priests make "real" zombies using a powder containing tetrodotoxin?
Aug 17, 2010
- Jenny Ashford
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Hominins Used Tools Earlier Than Previously Thought
Newly discovered fossils in Ethiopia may push early human tool use back to the australopithecines.
Aug 12, 2010
- Jenny Ashford
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Damaged Brains Can Still Feel Fear
Recent research on rats shows that other brain areas can compensate when the "fear center" is not functioning.
Aug 10, 2010
- Jenny Ashford
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Were Humans An Inevitable Outcome of Evolution?
There remains a strong cultural bias toward seeing humans as a special end goal of evolution, but most scientists reject this view.
Aug 9, 2010
- Jenny Ashford
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Social Rejection Linked to Inflammatory Illness
A series of experiments showed that people rejected by others developed physical symptoms indistinguishable from an immune response.
Aug 3, 2010
- Jenny Ashford
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Psychics and Cold Reading Techniques
Alleged psychics ply their wares freely, but the illusion of psychic power can be demonstrated with common magicians' tricks.
Aug 2, 2010
- Jenny Ashford
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Cosmic Rays Bombarding Earth Asymmetrically
A supernova could be responsible for the uneven pattern of particles recently seen by scientists at a neutrino observatory in Antarctica.
Jul 30, 2010
- Jenny Ashford
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Are IQ Scores Really Increasing Over Time?
Known as the "Flynn Effect," this increase could mean people are getting smarter, or it could be a simple testing anomaly.
Jul 28, 2010
- Jenny Ashford
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Does Religion Make Societies Healthier?
A study of prosperous democracies demonstrated a low correlation between religiosity and societal health, though the reasons for this are unclear.
Jul 22, 2010
- Jenny Ashford
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Do Humans Use Echolocation?
Research suggests people may be able to navigate simply by using sound, even when they're not aware of it.
Jul 12, 2010
- Jenny Ashford
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Several New Species Discovered Deep in the Atlantic
A new exploration of an undersea mountain range yielded a treasure trove of never-before-seen creatures.
Jul 7, 2010
- Jenny Ashford
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Edgar Allan Poe and the Murder of Mary Rogers
Poe's detective story "The Mystery of Marie RogĂȘt" was based on a real 1841 crime, which remains unsolved to this day.
Jul 6, 2010
- Jenny Ashford
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How Butterfly Wings Get Their Beautiful Colors
A new technique reveals the unusual diffracting cells that produce the iridescent hues of butterfly wings.
Jun 14, 2010
- Jenny Ashford
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