Science experts meeting in Germany have lashed out at “charlatans” who claim to have reproduced human embryos and said that human cloning, while theoretically possible, is still a long way off.

“These charlatans cause plenty of problems and misunderstandings,” muttered Rudolf Jaenisch in front of a row of photographs by the Raelian sect.

Jaenisch, a German geneticist […]

The theory that shortening cell structures called telomeres play a key role in aging has received support from a finding that birds with longer telomeres also have a longer lifespan.

Telomeres cap chromosomes and in normal cells get shorter with each cell division. When they shorten enough, cells die.

Many researchers believe that this is one mechanism […]

As video telephony, broadband internet links and other high-powered features are added to laptop computers, personal digital assistants (PDAs) and mobile phones over the next few years, the energy demands of these devices will soar. The Samsung Advanced Institute of Technology, the research arm of the chaebol of that name, estimates that such upgraded portable […]

Nature has taught scientists that there is a critical size — 30 nanometers — below which tiny structures become insensitive to flaws.

Research conducted at the Max Planck Institute for Metals Research in Germany and the Austrian Academy of Sciences has found that the size of mineral particles in biological materials such as bone and tooth […]

A merger of cellphone technology with digital cameras means CCTV is going wireless, ending the need to wrestle with spaghetti-like cabling when setting up a system.

Cellphone maker Nokia is launching a camera in May that can snap a high-resolution picture and send it to a picture-messaging phone or PC when prompted by a text message. […]