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Plants & Animals Jun 17, 2024

Small ponds in Minnesota prairies may help save minnow species

Nick Utrup sat with a team of biologists in the tall grass, straining to see through the ripples of a small, unnamed pond. An approaching rainstorm from the west, already over the red cliffs of the nearby Blue Mounds State ...

Cell & Microbiology Jun 17, 2024

When bacteria are buckling: Study supports propulsion based on adhesion forces rather than slime extrusion

Filamentous cyanobacteria buckle at a certain length when they encounter an obstacle. This was discovered by the research group of Stefan Karpitschka, group leader at the Max Planck Institute for Dynamics and Self-Organization ...

Analytical Chemistry Jun 17, 2024

Cheap yet ultrapure titanium metal might enable widespread use in industry

Titanium is the ninth most abundant element in the Earth's crust, yet products based on pure titanium are uncommon because it's expensive to remove the oxygen from titanium ore. Reducing costs would encourage manufacturers ...

Bio & Medicine Jun 14, 2024

Improving the ability of phototherapy to stimulate the systemic immune response to cancer

Phototherapy is a safe and effective method for tumor treatment, including photothermal therapy (PTT) and photodynamic therapy (PDT). PTT refers to the use of laser to activate photothermal conversion agents and use high ...

Earth Sciences Jun 14, 2024

NOAA forecasts above-average summer 'dead zone' in Gulf of Mexico

NOAA is forecasting an above-average summer "dead zone" in the Gulf of Mexico covering approximately 5,827 square miles—an area roughly the size of Connecticut. The dead zone, or hypoxic area, is an area of low oxygen that ...

Biotechnology Jun 14, 2024

Novel insights into fluorescent 'dark states' illuminate ways forward for improved imaging

Scientists at St. Jude Children's Research Hospital have reported a way to improve molecular scale distance measurements using single-molecule fluorescence resonance energy transfer (smFRET). smFRET quantifies the excitation ...

Environment Jun 14, 2024

Researchers harvest acid from seawater to feed beneficial algae

From the air you breathe to the seafood you eat, marine algae have some involvement—they consume carbon dioxide and produce oxygen through photosynthesis and feed fish and shellfish. One day, marine algae could also be ...

Analytical Chemistry Jun 14, 2024

New photocatalytic COFs mimic photosynthesis for H₂O₂ production

National University of Singapore (NUS) chemists have developed hexavalent photocatalytic covalent organic frameworks (COFs) which mimic natural photosynthesis for the production of hydrogen peroxide (H2O2), an important industrial ...

Nanomaterials Jun 14, 2024

New method links graphene nanolayers for tougher, elastic films

Layers of carbon atoms in a honeycomb array are a true supermaterial: their unusually high conductivity and favorable mechanical properties could further the development of bendable electronics, new batteries, and innovative ...

Ecology Jun 13, 2024

Giant deep-sea vent tubeworm symbionts use two carbon fixation pathways to grow at record speeds

In the deep-sea environment of the East Pacific Rise, where sunlight does not penetrate and the surroundings are known for their extreme temperatures, skull-crushing pressures, and toxic compounds, lives Riftia pachyptila, ...

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