Biology

News articles classified as Biology

Sifting through cellular recycling centers

A new method allows scientists to determine all the molecules present in the lysosomes – the cell’s recycling centers – of mice. This could bring new understanding and treatment of neurodegenerative disorders.

How benign water transforms into harsh hydrogen peroxide

A Stanford researcher and colleagues have shown that electric charge transfer when water droplets contact solid materials can spontaneously produce hydrogen peroxide, a finding with implications for cleaning and disinfection efforts.

Geological activity can rapidly change deep microbial communities

New research reveals that, rather than being influenced only by environmental conditions, deep subsurface microbial communities can transform because of geological movements. The findings advance our understanding of subsurface microorganisms, which comprise up to half of all living material on the planet.

SLAC National Accelerator Laboratory —

How a soil microbe could rev up artificial photosynthesis

Researchers discovered that a spot of molecular glue and a timely twist help a bacterial enzyme convert carbon dioxide into carbon compounds 20 times faster than plant enzymes do during photosynthesis. The results stand to accelerate progress toward converting carbon dioxide into a variety of products.

Runners prefer the same pace, regardless of distance

By comparing the most energy-efficient running speeds of recreational runners in a lab to the preferred, real-world speeds measured by wearable trackers, Stanford scientists found that runners prefer a low-effort pace – even for short distances.

Genomic analysis supports ancient Muwekma Ohlone connection

A research collaboration with the Muwekma Ohlone tribe – whose ancestral lands include the Stanford campus – shows a genetic relationship between modern-day Tribe members and individuals buried nearby who lived more than 1,900 years ago.

Four questions for Jeremy Goldbogen

The Stanford whale biologist discusses a pod of orcas taking down a blue whale – “arguably one of the most dramatic and intense predator-prey interactions on the planet.”

The role of ribosomes in age-related diseases

Research finds that the cellular assembly line that produces proteins can stall with age, triggering a snowball effect that increases the output of misfolded proteins. In humans, clumps of misfolded proteins contribute to age-linked Alzheimer’s and Parkinson’s diseases.

Campus trees depict evolutionary concepts

More than a century of attentive groundskeeping has turned the Stanford campus into a museum of mathematical phylogenetics, says Noah Rosenberg, creator of the Stanford X-Tree Project.

Bird-like robot perches and grasps

With feet and legs like a peregrine falcon, engineers have created a robot that can perch and carry objects like a bird.

How cells avoid molecular assembly line mistakes

Stanford researchers use one of the most sophisticated structural biology techniques available to investigate how molecular assembly lines maintain their precise control while shepherding growing molecules through a complex, multi-step construction process.

New model points to solution to global blood shortage

A mathematical model of the body’s interacting physiological and biochemical processes shows that it may be more effective to replace red blood cell transfusion with transfusion of other fluids that are far less in demand.

Extinction changes rules of body size evolution

A sweeping analysis of marine fossils from most of the past half-billion years shows the usual rules of body size evolution change during mass extinctions and their recoveries. The discovery is an early step toward predicting how evolution will play out on the other side of the current extinction crisis.

Stanford Today —

Three faculty are announced as HHMI investigators

Three researchers join 21 other Stanford faculty as Howard Hughes Medical Institute investigators. The seven-year term frees faculty to pursue the most innovative biomedical research.

Modeling the role of influencers in shaping fads

A new study offers up a more realistic modeling of the rise and fall of fads as culture evolves and is transmitted to new generations, including an examination of the role “influencers” play in shaping what’s popular.

Researchers develop a hypercompact CRISPR

Bioengineers have repurposed a “non-working” CRISPR system to make a smaller version of the genome engineering tool. Its diminutive size should make it easier to deliver into human cells, tissues and the body for gene therapy.

AI algorithm solves structural biology challenges

Stanford researchers develop machine learning methods that accurately predict the 3D shapes of drug targets and other important biological molecules, even when only limited data is available.

Q&A: Microbes and life on other planets

Stanford Associate Professor Paula Welander and her student Marisa Mayer discuss how microscopic traces of early life – called microbial lipid biomarkers – could help demystify the origins of life and life beyond Earth.

Molecular fossil hunter

Geomicrobiologist Paula Welander has come to see microbes as a system for grappling with complex questions about life, evolution and ancient Earth.

Stanford School of Humanities and Sciences —

Secrets of how cells cram in oversized genomes revealed

Stanford researchers have shown how the goopy material inside bacterial cells and interactions with other biomolecules encourage DNA segments to fold up to a thousandth of their actual length.