New materials exhibit split personality

Julia Greer, professor of materials science, mechanics and medical engineering in Caltech's Division of Engineering and Applied Science, creates materials out of micro- and nano-scale building blocks that are arranged into ...

The gene code of growing limbs

When a fetus develops, cell division and differentiation, gene expression, cell-to-cell signaling, and morphogenesis must be carefully coordinated to occur in the correct sequence and for the proper amount of time. Failures ...

Evolution: The genetic connivances of digits and genitals

During the development of mammals, the growth and organization of digits are orchestrated by Hox genes, which are activated very early in precise regions of the embryo. These "architect genes" are themselves regulated by ...

The swing of architect genes

Architect genes are responsible for organizing structures of the body during embryonic development. Some of them, namely the Hox genes, are involved in the formation of forelimbs. They are activated in two successive waves, ...

WikiHouse pioneers do-it-yourself home building

WikiHouse is putting a new spin on old-time barn-raising with a free online resource that lets people put homes together the same way they might a giant jigsaw puzzle.

Flash in Windows 8 RTM build is missing latest fix

(Phys.org)—Microsoft architects must wake up to the smell of burning blogs once again. While not everyone may have or want Windows 8, the situation is neither good for branding nor at all good for the people who do have ...

Researcher use robot arm to print 3D sand structures

(Phys.org) -- Researchers from the Institute for Advanced Architecture of Catalonia have built a programmable robot arm with a nozzle for a hand that allows for building structures out of sand mixed with water and binding ...

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