Are organisms basically living machines?

Scientists are increasingly interested in the prospect of solving a range of fundamental problems facing our civilisation by designing and reconstructing organisms.

Why it's so offensive when we call people animals

Comparing humans to animals is vexed but irresistible. We are animals, but animals who like to believe we are not merely animals. When we do liken people to other creatures – when sports fans use racial slurs or Donald ...

Sign languages help us understand the nature of metaphors

A recent study of the use of metaphors in spoken language and various sign languages shows that certain types of metaphors are difficult to convey in sign language. The study, "Iconicity and metaphor: Constraints on metaphorical ...

Bringing 'common sense' to text analytics

Bringing "common sense" to artificial intelligence is one of the biggest challenges in computer science: It entails equipping computers with the shared knowledge that humans use to infer meaning, make connections and communicate, ...

Hubble sees cosmic riches

(Phys.org)—This dazzling image shows the globular cluster Messier 69, or M 69 for short, as viewed through the NASA/ESA Hubble Space Telescope. Globular clusters are dense collections of old stars. In this picture, foreground ...

Metaphors for human fertilization are evolving, study shows

In a common metaphor used to describe human fertilization, sperm cells are competitors racing to penetrate a passive egg. But as critics have noted, the description is also a "fairy tale," rooted in cultural beliefs about ...

Training computers to see metaphors

Suppose you are at an intelligence agency and your computer is faced with terabytes of text every day -- documents, emails, transcriptions of voice conversations and more -- and many contain metaphors. How do you train your ...

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