The same 32 symbols show up in prehistoric European cave art.
- Many of these symbols are found in caves in Africa, Asia, Australia and America as well.
- At least 40,000 years old, the set of symbols may have been a universal communications tool.
- Among these symbols is the iconic hashtag.
Sleep encoding turns out to be a real thing.
- While it was believed you cannot learn new information while asleep, a new study in Switzerland makes the case for sleep encoding.
- 41 native German speakers were introduced to a nonsense word alongside a German word to forge a relationship.
- When tested while awake, the real word was defined by the nonsense word 10 percent higher than random chance, suggesting a bond was formed while asleep.
Need to reduce your stress? Try thinking of the face of your better half.
- A new study shows just thinking about your partner's face can lower stress.
- Those who pictured their significant other during a stress test had lower blood pressure increases than those who didn't.
- The results add to the pile of research that shows how great being in a relationship is for your health.
Researchers use algorithms to find the longest straight-line distances on land and at sea
- What links a small town in Portugal and a huge port city in China?
- The answer may surprise even inhabitants of both places: the world's longest straight line over land
- That line and its maritime equivalent were determined not by exploration but by calculation
About a third of doctors may not be doing enough.
- More than 130 people die every day from opioid-related overdoses, and some 11.4 million Americans have an opioid disorder.
- Americans remain wary of opioids and want more guidance; about a third of doctors need to explain options better.
- Patients have to pro-actively question subscribing physicians.
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