PHILADELPHIA (CBS) - It didn't start with Valentine's Day. Flowers have been silent signals between sweethearts as well as symbols in art since ancient times. Roman artists represented love by a rose; ...

We've had many postings of late on human nature from guest-blogger Tom Clark and from Marcelo, Stu, and me, so I'll go ahead and continue the thread. I'll first consider the concept of a self, then ...

Most children learn that written numbers represent quantities in pre-school or junior primary school. Now our new study shows that honeybees too can learn to match symbols and numerosities, much like ...

Most children learn that written numbers represent quantities in pre-school or junior primary school. Now our new study shows that honeybees, too, can learn to match symbols and numerosities, much ...

Now our new study shows that honeybees too can learn to match symbols and numerosities, much like we humans do with Arabic and Roman numerals. Language is the ability to learn and use a system of ...

From the earliest human records, angels have been described as mysterious beings who communicate in ways humans often struggle to understand. Unlike ordinary humans, who rely on spoken language to ...

This is a preview. Log in through your library . Abstract Lucretius distinguishes between animal vocalization (uoces ciere) and human language (res uoce notare) in ways that may be called "semiotic": ...