science + technology news

Are Pulsar Signals Evidence of Astro-Engineered Signalling Systems?

August 18, 2003

In his recent book, The Talk of the Galaxy, Dr. Paul LaViolette shows how new high-resolution recordings of pulsar signals reveal features that are inconsistent with the long-standing “neutron star lighthouse” pulsar model.

LaViolette argues compellingly that the interesting and quite intricate behaviors of pulsars fit much more easily with a model of an extraterrestrial intelligence (ETI) beacon carrying information.

For example, pulse transmissions may be interrupted for… read more

Learning to love to hate robots

December 15, 2009

Recent studies illuminate the skills robots need if they are to get along with humans.

When a box-like robot called TUG went to work in hospitals carrying drugs between wards, the robot’s inability to tell if it was a good time to interrupt and announce its presence was a big problem for some staff members, who lashed out and kicked TUG in frustration.

“If you are going to… read more

Discovery of stem cell linked to learning and memory

May 15, 2008

University of Queensland researchers have identified resident stem cells in the hippocampus and discovered how they can be activated to produce new neurons.

Understanding the activation process should enable development of medicines that can stimulate the production of new neurons and reverse or prevent the cognitive decline that occurs in people with stroke or dementia.

Research Australia News Release

Asteroid Spotting: Skywatchers to Glimpse Close Flyby

July 3, 2006

A large asteroid made an exceptionally close approach to our planet early on July 3, passing just beyond the Moon’s average distance from Earth.

An another object is destined to pass much closer to Earth and possibly could pose a threat to our planet. On April 13, 2029, the asteroid 99942 Apophis is expected to pass a mere 18,600 miles (30,000 km.) above Earth’s surface.

Tiny technology hasn’t hit the big time — yet

August 25, 2003

UC Berkeley and Intel researchers are developing TinyDB database technology to acquire information from a network of tiny wireless sensors.

Wireless sensor networks can be used to predict equipment malfunction, prompt users to take medication, and perform environment and habitat monitoring. In 10 years, they will be nanoscale devices.

Because of energy constraints, sensor motes have to deal with low bandwidth and possibly intermittent communication links; they must… read more

Faster, cheaper DNA sequencing method developed

December 21, 2009

Boston University biomedical engineers have devised a method for making future genome sequencing faster and cheaper by dramatically reducing the amount of DNA required, thus eliminating the expensive, time-consuming and error-prone step of DNA amplification.

The technique uses electrical fields to feed long strands of DNA through four-nanometer-wide pores, using sensitive electrical current measurements to detect single DNA molecules as they pass through the nanopores.

Mental, physical exercises found to produce different brain benefits

July 22, 2016

(credit: iStock)

Cognitive brain training improves executive function while aerobic activity improves memory, according to a new study by the Center for BrainHealth at The University of Texas at Dallas.

The study, published in an open-access paper in Frontiers in Human Neuroscience, compared cerebral blood flow and cerebrovascular reactivity data, obtained via MRI, for two groups of healthy sedentary adults ages 56–75 years. The members of both… read more

Older Brain Really May Be a Wiser Brain

May 20, 2008

When older people can no longer remember names at a cocktail party, they tend to think that their brainpower is declining.

Instead, new research, cited in a new edition of Progress in Brain Research, finds that the aging brain is simply taking in more data and trying to sift through a clutter of information, often to its long-term benefit.

The distractibility may increase the total amount of information… read more

A Peek Into the Remarkable Mind Behind the Genetic Code

July 12, 2006

The first biography of Francis Crick has now appeared. In “Francis Crick, Discoverer of the Genetic Code,” Matt Ridley has created a vivid portrait that explains Crick’s scientific work with clarity, deftly outlines his career and provides sharp insights into the nature of Crick’s remarkable creativity.

Scientists reveal millions of regulatory elements in human genome

October 20, 2011

Twenty-nine mammals, including the elephant, armadillo, two-toed sloth, hyrax, dog, cat, horse, and tenrec, have had their genomes  analyzed and compared (credit: Nick Dua, Broad Communications)

An international research team has mapped and compared the genomes of 29 mammals and found new regulatory elements in the human genome that govern how proteins are formed.

The researchers, led by Kerstin Lindblad-Toh of the Broad Institute in Cambridge, Mass. and Uppsala University in Sweden, said the findings help us understand how mutations in human genes give rise to diseases.

While… read more

Future Watch: Using computers to outthink terrorists

September 3, 2003

Some of the technology shown in last year’s blockbuster movie Minority Report may soon be a reality and a centerpiece of the intelligence community’s war on terrorism.

Research into new intelligence technology is taking place as part of a $54 million program known as Genoa II. DARPA is studying potential IT that may not only enable new levels of collaboration among teams of intelligence analysts, policy-makers and covert operators,… read more

Technology predictions for 2010

December 28, 2009

The rise of the tablet computer (led by Apple), broadband-enabled on-demand TV, real-time social websites, 3D TV, and augmented reality in information and location-based games are the hot consumer electronics trends for 2010 predicted by the Telegraph’s technology team.

Dutch robot Flame walks like a human

May 23, 2008
(TU Delft)

Researcher Daan Hobbelen of TU Delft has developed a new, highly-advanced walking robot: Flame.

This type of research provides insight into how people walk, which can help people with walking difficulties through improved diagnoses, training and rehabilitation equipment.

Europe plans giant eye on the sky

July 21, 2006

A giant telescope with a mirror up to 60 meters wide is being planned by the European Southern Observatory to detect Earth-like planets around other stars and spot the universe’s first galaxies.

Invisibility tiles can cloak any shape

October 27, 2011

Invisibility tiles

Oliver Paul at the University of Kaiserslautern in Germany and associates have revealed a practical way of making invisibility cloaks of any size and shape, The Physics ArXiv Blog reports.

Creating a cloak that exactly follows the shape of the object it is intended to hide is hard because curve cloaks are hard to make, so they approximated the shape using flat facets.

Ref: Oliver Paul,… read more

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