Humans news stories

ADHD may have been an evolutionary advantage, research suggests
21st February 2024 | | Ancient, Humans

Traits common to attention deficit hyperactivity disorder (ADHD), such as distractibility or impulsivity, might have been an evolutionary advantage for our ancestors by improving their tactics when foraging for food. See the study here. 

Ancient language found on 2,100-year-old bronze hand may be related to Basque
21st February 2024 | | Ancient, Humans

In a new study published Tuesday (Feb. 20) in the journal Antiquity, researchers revealed that the inscription is the oldest and longest ever found in a Vasconic language, a group of languages that includes modern Basque.

Use of decimal point is 1.5 centuries older than historians thought
21st February 2024 | Humans

A mathematical historian at Trinity Wester University in Canada, has found use of a decimal point by a Venetian merchant 150 years before its first known use by German mathematician Christopher Clavius. In his paper published in the journal Historia Mathematica, Glen Van Brummelen describes how he found the evidence of decimal use in a volume called “Tabulae,” and its significance to the history of mathematics.

New neuroscience research uncovers the brain’s unique musical processing pathways
20th February 2024 | | Humans, Misc.

A new study by researchers at UC San Francisco provides new insight into how the brain processes musical melodies. Through precise mapping of the cerebral cortex, the study uncovered that our brains process music by not only discerning pitch and the direction of pitch changes but also by predicting the sequence of upcoming notes, each task managed by distinct sets of neurons.

Mike Tyson urges Biden to free thousands locked up over cannabis: ‘Right these wrongs’
20th February 2024 | | Humans, Misc.

The former heavyweight boxing champion Mike Tyson has urged Joe Biden to follow through on his commitment to “correct our country’s failed approach to marijuana” and give clemency to the thousands of nonviolent cannabis offenders still languishing in federal lockups.

Cannabis may be the gateway out of drug addiction
19th February 2024 | Humans, Misc.

There are dissenting opinions among researchers about whether cannabis is a ‘gateway drug’ that leads people to use other, more dangerous drugs. New research by the University of British Columbia (UBC), Canada, examined whether using cannabis to manage cravings changed a person’s use of illicit stimulants. The study was published in the journal Addictive Behaviors.

Image by: elsaolofsson (Wiki Commons)

Unlocking the mysteries of psychedelics: The remarkable dual effect of psilocybin revealed in new study
19th February 2024 | | Humans, Misc.

New research published in Molecular Psychiatry provides insight into how psilocybin, a compound found in psychedelic “magic” mushrooms, influences the brain and behavior. By observing the effects of psilocybin on larval zebrafish, scientists uncovered that it not only stimulates exploratory behavior but also buffers against stress-induced changes in activity patterns.

There may be a ‘dark mirror’ universe within ours where atoms failed to form, new study suggests
19th February 2024 | | Ancient, Humans

The invisible substance called dark matter remains one of the biggest mysteries in cosmology. Perhaps, a new study suggests, this strange substance arises from a ‘dark mirror universe’ that’s been linked to ours since the dawn of time.

Stone Age ‘megastructure’ under Baltic Sea sheds light on strategy used by Paleolithic hunters over 10,000 years ago
19th February 2024 | Ancient, Humans

The evidence suggests it was constructed by Paleolithic people between 11,700 and 9,900 years ago, probably as an aid for hunting reindeer…The archaeologists investigating the Bay of Mecklenburg used a range of submarine equipment, sampling methods and modeling techniques to reconstruct the ancient lake bed and its surrounding landscape.

An ancient life revealed: Forager-turned-farmer crossed seas
18th February 2024 | Ancient, Humans

A Stone Age skeleton found in a peat bog in northwest Denmark has been analysed to flesh out in stunning detail the ancient person’s life and death. New analysis of the remains is published in the journal PLOS ONE.

Cave art in Patagonia found to be oldest pigment-based cave art in South America
18th February 2024 | Ancient, Humans

An international team of scientists reports that cave art at a site in Patagonia is the oldest of its type ever found in South America. In their study, published in the journal Science Advances, the group conducted radiocarbon dating of the material used to create the art thousands of years ago.

Stunning rock art site reveals that humans settled the Colombian Amazon 13,000 years ago
18th February 2024 | | Ancient, Humans

After coming to what is now Serranía de la Lindosa, an archaeological site on the northern edge of the Colombian Amazon, these early Americans lived in rock shelters, fashioned stone tools, hunted and gathered and created massive displays of rock art, according to a new study, published in the March issue of the journal Quaternary Science Reviews.

New evidence of independent written language on Easter Island before arrival of Europeans
14th February 2024 | Ancient, Humans

A team of philologists, chemists, environmental physicists and engineers affiliated with several institutions across Europe has found evidence of an undeciphered script on wooden tablets created on Easter Island that represents an independent writing system. Their paper is published in the journal Scientific Reports.

Cannabis Extract Triggers Death of Deadly Skin Cancer Cells
14th February 2024 | | Humans, Misc.

A concentrated cannabis extract has shown “remarkable” potential to kill off the most dangerous type of skin cancer. The study was published in Cells.

Scandinavia’s first farmers slaughtered the hunter-gatherer population, DNA analysis suggests
13th February 2024 | Ancient, Humans

Following the arrival of the first farmers in Scandinavia 5,900 years ago, the hunter-gatherer population was wiped out within a few generations, according to a new study from Lund University in Sweden, among others

Archaeologists discover oldest known bead in the Americas
13th February 2024 | Ancient, Humans

University of Wyoming archaeology Professor Todd Surovell and his team of collaborators have discovered a tube-shaped bead made of bone that is about 12,940 years old. See the study here.

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