A prehistoric hand-held multipurpose stone tool the size of a person’s palm recovered by a farmer in Kenya. More tools were found during a search.
Scientists are hoping that ancient stone tools found on a family farm in Kenya will add to a clearer picture of the first appearance, duration and variation of prehistoric technologies found so far.
A poster of Gretchen Carlson, who is suing former Fox News CEO Roger Ailes for sexual harassment.
People who experience trauma often don't discuss it until long after the incident has occurred. A lack of empathy is part of the reason.
Is thinking things over a good quality in a leader?
Think Donald Trump is too hotheaded to be president? New research from Yale suggests Trump's lack of careful consideration may help him build trust with voters, while Clinton's carefulness harms her.
An aerial view of the Christ the Redeemer statue and Maracana stadium in Rio de Janeiro.
The chance the someone at the Rio games will import the virus to their home country is low.
Lemurs are some of the world’s most threatened animals.
More than 90% of Madagascar's lemurs face extinction. Losing them will mean a loss of the valuable function they serve to the forests in which they live.
Is addiction a brain disease or a disease of choice?
Addiction definition image via www.shutterstock.com.
What exactly is addiction? What role, if any, does choice play? And if addiction involves choice, how can we call it a "brain disease," with its implications of involuntariness?
There’s a battle for resources going on in there.
Embryos greedily want more resources than their fair share. New research investigates how early in evolution their hormonal tactics arose.
Aedes aegypti mosquitoes are at the center of Zika virus’ spread.
Look beyond transgenic techniques that add new genes to a species. People have used selective breeding techniques to change plants and animals for millennia – why not try them on mosquitoes?
Salle de classe.
Musée national de l'Education/Flickr
La morale sociale ne saurait se passer de punitions, infligées par les pairs lorsqu’un individu enfreint les règles. Mais qui punit ? Pourquoi ? Et pour quels bénéfices ?
Standing up for what’s right can come with a cost to the individual – but also a benefit.
It helps society function when people punish selfish acts, even at a personal cost. A new theory suggests third-party punishment also confers some benefits on the punisher.
Obama delivers his final State of the Union address.
The president's speech on Tuesday was nostalgic, forward-looking – and pretty disappointing.
L’une des vénérables habitantes des pentes du mont Wolf sur l'île Isabela.
Lorsque Lonesome George, une tortue géante des Galapagos, mourut à 100 ans, beaucoup pensèrent que son espèce venait de disparaître à jamais avec lui... mais il n’en était rien.
One of the several precious giant tortoises recently found on Volcano Wolf, Galápagos Islands.
When 100-year-old giant tortoise Lonesome George died in 2012, the world thought his species was lost forever. We went to the Galápagos Islands looking for 'extinct' tortoises – and we found them.
Your brain scan told me your mind would wander.
Boy image via www.shutterstuck.com
Particular parts of an individual's brain tend to work together on certain tasks. Researchers can look at these patterns of "functional connectivity" to predict traits – like the ability to pay attention.
Rembrandt’s famous painting – commonly known as The Night Watch – doesn’t even take place at night.
'Rembrandt' via www.shutterstock.com
The history of the picture title is really a history of the last 300 years.
The therapeutic relationship can be as important as the type of therapy. In this photo, occupational therapist Carly Rogers (second from left) talks to military veterans at the surf therapy program she founded, in Manhattan Beach, California.
While evidence suggests that the therapeutic relationship is a critical part of psychotherapy, the impact of the relationship often isn't studied in clinical trials for trauma survivors with PTSD.
chat_44 / Flickr
Le marché a des côtés obscurs qui nous poussent à acheter des objets ou services mauvais pour nous. Mais n'est-ce pas au fond une des bases de l'économie de marché ? La réponse de deux prix Nobel.
Who’s the most commanding of them all?
Research shows that the clothes you wear not only affect how others see you but also how you see yourself and who you are on a biological level.
There’s a reason they call them ‘impulse purchases.’
While free markets have delivered benefits, they also prey on our weaknesses, tempting us to buy things that are bad for us, be it sweet candy or sour investments.
A fracking well injects large volumes of water, chemicals and sand to fracture rock.
Fracking fluids in Marcellus shale have contaminated groundwater but new study finds that the source is likely from surface spills, not leaks from underground wells.