All News

Medical Xpress / Vascularized retinal organoids engineered with functional light-signal pathways

Until now, it has been difficult to maintain retinal ganglion cells deep inside organoids over extended periods. The supply of nutrients and oxygen in the densely packed tissues is limited, leading to cell death.

3 hours ago in Ophthalmology
Medical Xpress / 'One of our priorities': 'Superbug' still dangerous for Nevada

Cases of a potentially lethal fungus have stabilized in Nevada, according to public health officials, who urge continued vigilance against the drug-resistant "superbug."

Phys.org / US to repeal the basis for its climate rules: What to know

President Donald Trump's administration is finalizing its repeal of a foundational scientific determination that underpins the US government's authority to regulate greenhouse gas emissions, with an announcement expected ...

2 hours ago in Earth
Phys.org / Imaging technique captures ultrafast electron and atom dynamics in chemical reactions

During chemical reactions, atoms in the reacting substances break their bonds and re-arrange, forming different chemical products. This process entails the movement of both electrons (i.e., negatively charged particles) and ...

21 hours ago in Physics
Medical Xpress / Taking acetaminophen during pregnancy does not increase risk of autism, ADHD or intellectual disabilities

Taking acetaminophen during pregnancy does not increase the risk of autism, attention-deficit hyperactivity disorder (ADHD), or intellectual disability among children. That is according to the most rigorous analysis of the ...

16 hours ago in Autism spectrum disorders
Phys.org / Scientists transform enigmatic cell structures into devices for recording RNA activity

Scientists can peer into cells to get a limited view of their activity using microscopes and other tools. However, cells and the molecular events within them are dynamic, and developmental processes, disease progression and ...

22 hours ago in Biology
Phys.org / Tiger sharks gather to mate during Maui's whale season, finds research

A team of shark researchers from the University of Hawaiʻi at Mānoa has solved a long-standing mystery, identifying the first-ever documented mating hub for tiger sharks.

18 hours ago in Biology
Phys.org / Neutralizing extracellular electron transport disarms antibiotic-resistant bacteria, restores healing in chronic wounds

An international team of scientists, led by Nanyang Technological University, Singapore (NTU Singapore), has discovered a new method that could speed up the healing of chronic wounds infected by antibiotic-resistant bacteria.

20 hours ago in Biology
Phys.org / New temperature record challenges extreme high-latitude warmth paradigm

Reliable predictions of how the Earth's climate will respond as atmospheric carbon dioxide levels increase are based on climate models. These models, in turn, are based on data from past geological times in which the CO2 ...

22 hours ago in Earth
Tech Xplore / OpenAI introducing ads to ChatGPT

OpenAI announced Friday it will begin testing advertisements on ChatGPT in the coming weeks, as the wildly popular artificial intelligence chatbot seeks to increase revenue to cover its soaring costs.

20 hours ago in Internet
Phys.org / Temperature shifts alter honeybee behavior but leave native bees unchanged

Research from Monash University explores how rising temperatures and growing urban environments can affect behavior in native Australian bees and the European honeybee.

22 hours ago in Biology
Medical Xpress / Immune-targeting vaccine shows promise intercepting cancer in patients with Lynch Syndrome

The investigational cancer vaccine, NOUS-209, was found to safely stimulate the immune system to target precancerous and cancerous cells in individuals with Lynch Syndrome (LS), according to a study from researchers at The ...

20 hours ago in Immunology