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Science News for February 17, 2005


Scripps researchers find clear evidence of human-produced warming in world's oceans

A new study by Scripps Institution uses computer models and real-world data to capture signals of human-produced warming in the oceans. The results show that the warming is likely caused by human activities, with a high degree of confidence exceeding 95%. This finding has significant implications for regional water supplies, including ...

SourceUniversity of California - San Diego·DateFeb 17, 2005

Enzyme shown to help protect genomic stability

A study led by The Wistar Institute discovered that the enzyme Ubp10 plays a crucial role in protecting the genome's telomeric regions from destabilization. This protection may help prevent genetic recombinations that can trigger cancer or accelerate aging.

SourceThe Wistar Institute·JournalMolecular Cell·DateFeb 17, 2005

Researchers identify target for cancer drugs

Researchers at Whitehead Institute discover mTOR/rictor complex, a crucial component in Akt's activation process. This finding holds promise for developing targeted cancer therapies by blocking the complex and preventing tumor growth.

SourceWhitehead Institute for Biomedical Research·JournalScience·DateFeb 17, 2005
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

England is largely invisible to Whitehall after devolution

A new study found that Whitehall departments continue to prioritize devolved nations, leaving England with unclear territorial boundaries. The researchers suggest that a lack of cultural changes and misunderstandings have contributed to these issues.

SourceEconomic & Social Research Council·DateFeb 17, 2005

New clues add 40,000 years to age of human species

Researchers have re-dated the Omo hominids fossils to approximately 196,000 years old, nearly 40,000 years older than previously thought. The discovery provides new insights into early human evolution and migration patterns.

SourceU.S. National Science Foundation·JournalNature·DateFeb 17, 2005
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Stem-cell research hints at better looking cosmetic and reconstructive surgery

Researchers have developed stem-cell generated natural tissue implants that retain their shape and size over time, avoiding issues like implant rupture or cancer detection interference. This approach could eliminate the need for extensive surgery and provide a more natural-looking solution for reconstructive surgeries.

SourceWhitaker Foundation·JournalTissue Engineering·DateFeb 17, 2005

Vaccine may complement conventional treatment for chronic leukaemia

Researchers found that adding a vaccine targeting the Philadelphia chromosome protein can reduce residual disease and increase molecular response in patients with chronic myeloid leukaemia. The vaccine was shown to be effective in combination with imatinib and interferon alfa treatments.

SourceThe Lancet_DELETED·JournalThe Lancet·DateFeb 17, 2005

Robots walk with close-to-human efficiency

Researchers at Cornell University and their colleagues have built robots that mimic the human gait, consuming energy comparable to a human walker. The robots use simple control programs, suggesting that steady-state human walking might require only simple control as well.

SourceCornell University·JournalScience·DateFeb 17, 2005

Purdue proves concept of using nano-materials for drug discovery

Researchers at Purdue University have created a chip with thousands of tiny vessels on top of a material containing pores to mimic synthetic cell membranes. This innovation aims to develop 'laboratories-on-a-chip' that can screen individual drugs and increase the efficiency of drug discovery.

SourcePurdue University·JournalLangmuir·DateFeb 17, 2005
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

'I had them a moment ago, now where are my glasses?'

Researchers developed a mathematical model that explains how the brain carries out working memory tasks, including loading, holding, and comparing information. The model makes predictions about the neurological basis of working memory.

SourceCold Spring Harbor Laboratory·JournalScience·DateFeb 17, 2005

Miniaturized lab permits saliva screening on the go

Researchers have developed a miniaturized lab that can detect HIV and bacteria in saliva using a portable oral swab kit. The device analyzes samples quickly and accurately, making it useful for rapid response situations such as bioterrorism incidents or emergency room emergencies.

SourceUniversity of Pennsylvania·DateFeb 17, 2005

Teams build robots that walk like humans

Three independent teams, including MIT, have developed walking robots that mimic human gait and control. The MIT robot, called Toddler, uses a learning program to adapt to terrain in under 20 minutes. The robots' efficiency and potential applications for robotic prostheses and understanding the human motor system are significant.

SourceMassachusetts Institute of Technology·JournalScience·DateFeb 17, 2005
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Discovery offers cancer prevention, diagnosis, treatment hopes

Researchers at Michigan State University have discovered a gene, oct-4, expressed in normal adult stem cells, which could lead to the development of cancer prevention and diagnosis tools. The study found that adult stem cells with the oct-4 gene are more prone to becoming cancerous than those without it.

SourceMichigan State University·JournalCarcinogenesis·DateFeb 17, 2005

JCI table of contents March 1, 2005

Researchers uncover how alpha-defensin-1 inhibits HIV infection in CD4+ T cells and how lubricin protects cartilage surfaces. These findings provide insights into innate immunity against HIV and may lead to the development of defensin-like drugs for prevention and treatment.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 17, 2005

Mechanical tension helps shape lung development

Research by Ingber and colleagues found that manipulating mechanical force in developing mouse lungs can slow down or speed up growth, which could lead to novel treatments for lung conditions. This study sheds light on the importance of mechanobiology in understanding normal lung development and potential intervention pathways.

SourceBoston Children's Hospital·JournalDevelopmental Dynamics·DateFeb 17, 2005
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Gene signature can predict breast cancer spread

Researchers identified a 76-gene signature that can predict disease relapse in patients with lymph-node negative breast cancer. The signature showed high sensitivity (93%) but lower specificity (48%) in predicting distant recurrence within five years.

SourceThe Lancet_DELETED·JournalThe Lancet·DateFeb 17, 2005

Defensins ward off HIV in two ways

Researchers found that alpha-defensin-1 directly inactivates HIV when serum levels are low, while also acting on vulnerable cells to block infection. The study provides a basis for developing defensin-like drugs to prevent and treat HIV.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 17, 2005

Scientists rid stem cell culture of key animal cells

Researchers at WiCell Research Institute and University of Wisconsin-Madison develop method to eliminate need for feeder cells, simplifying culture of human ES cells. The new approach uses protein FGF2 to preserve undifferentiated state and reduce differentiation.

SourceUniversity of Wisconsin-Madison·JournalNature Methods·DateFeb 17, 2005

USGS featured at AAAS - Nation's largest science meeting

The USGS showcased its expertise in geospatial data sharing and the intersection of earth sciences with national security. The symposium brought together officials from various government agencies and state governments to discuss future coordination across the homeland security enterprise.

SourceU.S. Geological Survey·DateFeb 17, 2005
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Mayo Clinic study finds obese kidney donors face few increased risks

A retrospective study of over 500 patients found that obese kidney donors experienced similar short-term outcomes to non-obese donors, despite prior cardiovascular disease risks. The study highlights the need for longer follow-up periods to assess potential long-term differences in obese donors.

SourceMayo Clinic·JournalAmerican Journal of Transplantation·DateFeb 17, 2005

Small is different

Computer simulations have revealed that gold is an effective catalyst when it's in clusters of eight to two dozen atoms, and electrical charging plays a crucial role. This breakthrough has opened up new avenues for exploring environmental effects on catalysis.

SourceGeorgia Institute of Technology·DateFeb 17, 2005

Merck / AAAS announce 2005 winners for outstanding undergraduate research programs

The Merck/AAAS Undergraduate Science Research Program supports research stipends and fosters interactions between biology and chemistry departments at participating institutions. The program aims to enhance undergraduate education through research experiences emphasizing the interrelationship between chemistry and biology.

SourceAmerican Association for the Advancement of Science (AAAS)·DateFeb 17, 2005

Bipedal bots to star at AAAS media briefing

Researchers unveiled a new breed of energy-efficient bipedal robots with a human-like gait. The robots use passive-dynamic walking devices to reduce power consumption, enabling applications in prosthetic devices and robotic control.

SourceU.S. National Science Foundation·JournalScience·DateFeb 17, 2005
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Ali Nayfeh earns Virginia's Lifetime Achievement in Science award

Nayfeh has made significant contributions to the field of nonlinear dynamics, including developing a new methodology for controlling ship motions and analyzing acoustic waves in aircraft engine-duct systems. His work has improved the understanding of complex phenomena such as subharmonic and superharmonic resonances in ships and boats.

SourceVirginia Tech·DateFeb 17, 2005

Spit, and call me in the morning

Researchers are developing saliva testing technology to detect diseases like cancer, predict cavities, and identify drug use. Preliminary results show that analyzing protein sugars in saliva can determine an individual's vulnerability to cavities.

SourceAmerican Association for the Advancement of Science (AAAS)·DateFeb 17, 2005
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Brain activity of men and women during hostile or impulsive acts differs less on nicotine

A recent study found that nicotine can eliminate the differences in brain activity between men and women during hostile or impulsive acts. Brain imaging research conducted by UCI showed that when participants were given nicotine, the brain-metabolism activity was virtually identical for both sexes.

SourceUniversity of California - Irvine·JournalThe International Journal of Neuropsychopharmacology·DateFeb 17, 2005

Worms, slugs inspire robotic devices

Researchers have developed two novel robotic devices inspired by the movement of worms and slugs, including an endoscopic device that can navigate complex spaces and a gripping device that can pick up soft objects without damaging them. The devices aim to reduce discomfort and increase compliance during medical procedures.

SourceCase Western Reserve University·DateFeb 17, 2005