16/07/2013

Big bang theory: How did dinosaurs have sex?

Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long ...

Large wave-vector phonon modes in silicon nanomembranes

(Phys.org) —Modified large wave-vector phonons in semiconductor membranes via hard X-ray thermal diffuse scattering (TDS) were observed that provide new insight into the fundamental thermal and electronic properties of ...

Science measures animal welfare

A RECENT forum has questioned whether science can inform and improve animal welfare in research and production. The concept was explored at a joint Ag Institute Australia and Australian Society of Animal Protection seminar, ...

Dogs imitate novel human actions and store them in memory

Dogs can learn, retain and replay actions taught by humans after a short delay. According to a new study by Claudia Fugazza and Adám Miklósi, from Eötvös Loránd University in Hungary, this deferred imitation provides ...

NIST offers guidance on building 21st-century forensic labs

A new National Institute of Standards and Technology (NIST) handbook provides law enforcement agencies with a detailed how-to guide on the planning, design, construction and relocation of forensic science laboratories. The ...

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