Stories about: frequencies  

As people get older, they lose the ability to hear certain sounds

The call is silent, and can only be detected by other elephants

They literally have hundreds of ears at their disposal

Especially when dealing with cluttered terrain

Within no more than five years

Research now takes place in carbon nanotubes

Scientists can't explain why

They could be increasing subsurface tension

Expert creates revolutionary device

The tool is of tremendous use to scientists

DU experts are at the forefront of the innovation

It has puzzled researchers for more than a decade

The innovation could bring forth a new stage of multimedia developments

It happens when they change their “voice”

The devices are now tested in a park