New results show that land-living crabs, descended from marine ancestors, have re-invented key aspects of the insect nose through evolution in order to solve the problem of olfaction in their air-filled terrestrial environment.
The robber crab, Birgus latro, is the world’s largest land-dwelling arthropod, with a weight reaching 4 kg and a length of more than half a meter. Robber crabs are perhaps most famous for their ability to climb tall palm trees in search of coconuts, which they later are able to crack open with their massive claws. These crabs are fully adapted to a life on land and will actually drown if submerged in water. The robber crab’s transition from sea to land has been accomplished through numerous, and in many cases far-reaching, adaptations. A question not previously addressed is how the robber crabs have adapted to olfaction in their new environment – an intriguing question because the sense of smell needs to operate under very different conditions in air compared to water.
In the new work, Marcus Stensmyr and Bill S. Hansson from the Swedish University of Agricultural Sciences, together with colleagues from Lund University, Sweden and the University of New South Wales, Australia, show not only that these impressive crabs have a functional sense of smell but that the olfactory system they have developed is in fact highly sophisticated and sensitive. Moreover, the crabs have managed this evolutionary feat by adopting olfactory strategies similar to those of insects.
Novel mechanisms of action discovered for the skin cancer medication Imiquimod
21.10.2016 | Technische Universität München
Second research flight into zero gravity
21.10.2016 | Universität Zürich
Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...
In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.
A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...
By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.
"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...
COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.
In 2016, the joint pavilion by the IVAM Microtechnology Network, the Product Market “High-tech for Medical Devices”, will be located in Hall 8a again and will...
'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.
Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...
14.10.2016 | Event News
14.10.2016 | Event News
12.10.2016 | Event News
21.10.2016 | Health and Medicine
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21.10.2016 | Materials Sciences