News tagged with tetrahedron

DNA cages 'can survive inside living cells'

(PhysOrg.com) -- Scientists at Oxford University have shown for the first time that molecular cages made from DNA can enter and survive inside living cells.

Nanotechnology / Bio & Medicine

created Jul 04, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Princeton researchers solve problem filling space -- without cubes

(PhysOrg.com) -- Whether packing oranges into a crate, fitting molecules into a human cell or getting data onto a compact disc, wasted space is usually not a good thing.

Other Sciences / Mathematics

created Jun 28, 2011 | popularity 4.9 / 5 (9) | comments 3 | with audio podcast

Moving toward greener chemistry

Phosphorus, a mineral element found in rocks and bone, is a critical ingredient in fertilizers, pesticides, detergents and other industrial and household chemicals. Once phosphorus is mined from rocks, getting ...

Chemistry / Materials Science

created Sep 03, 2010 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

Researchers Rediscover the Structure of Water

(PhysOrg.com) -- A team of researchers at the Stanford Synchrotron Radiation Lightsource has found the molecular structure of water to be more complex than recently thought, suggesting that molecular models ...

Physics / Condensed Matter

created Feb 26, 2010 | popularity 4.7 / 5 (23) | comments 14 | with audio podcast

Entropy alone creates complex crystals from simple shapes, study shows

(PhysOrg.com) -- In a study that elevates the role of entropy in creating order, research led by the University of Michigan shows that certain pyramid shapes can spontaneously organize into complex quasicrystals.

Chemistry / Materials Science

created Dec 09, 2009 | popularity 4.8 / 5 (22) | comments 2

Scientists Build Nanostructures out of Single DNA Strands

(PhysOrg.com) -- With its unique double-helical structure, DNA has the ability to be used as a programmable building material to construct designer nanoscale architectures. Complex DNA architectures could ...

Nanotechnology / Bio & Medicine

created Sep 08, 2009 | popularity 5 / 5 (4) | comments 5 feature

The Beaver as Chemist: Total Synthesis of Enantiomerically Pure Nupharamine Alkaloids from Castoreum

(PhysOrg.com) -- Castoreum, the dried scent glands of the Canadian beaver, was once one of the most valuable scent components derived from animals. Castoreum contains a complex mixture of substances, including a number of ...

Chemistry /

created Feb 16, 2009 | popularity not rated yet | comments 0