🤖 Computer Science

Automatic brain-tumor diagnosis using cascaded deep convolutional neural networks with symmetric U-Net and asymmetric residual-blocks

Recent years have seen a rise in the use of magnetic resonance imaging (MRI) techniques for brain tissue examination. To address the time-consuming manual inspection of resulting images, this paper introduces an automatic brain tumor diagnosis system. It employs a CNN for detecting, classifying, and segmenting glioblastomas, with a focus on segmenting tumors within glioma MRI images.

A Survey on Generative AI and LLM for Video Generation, Understanding, and Streaming

This paper offers an insightful examination of how currently top-trending AI technologies, i.e., generative artificial intelligence (Generative AI) and large language models (LLMs), are reshaping the field of video technology, including video generation, understanding, and streaming.

⚛️ Physics and Chemistry

First experimental proof for brain-like computer with water and salt

Utrecht University theoretical physicists, collaborating with experimental physicists from Sogang University in South Korea, have developed an artificial synapse. Operating with water and salt, it demonstrates that a system utilizing the same medium as our brains can process complex information.

New photovoltaic 2D material breaks quantum efficiency record

Researchers led by physicist Chinedu Ekuma at Lehigh University in the US have developed a material with an external quantum efficiency (EQE) of up to 190%, surpassing traditional solar cells' maximum EQE of 100%. This breakthrough doubles the efficiency of silicon solar cells.

Plastic production belches out over 5% of global greenhouse gas emissions

A study conducted by Lawrence Berkeley National Laboratory revealed that in 2019, the production of virgin plastic released approximately 2.24 billion metric tons (t) of carbon dioxide equivalent into the atmosphere, accounting for 5.3% of total greenhouse gas (GHG) emissions.

🧬 Biology & Medicine

'We have combined two marvels of modern medicine': Woman gets pig kidney and heart pump in groundbreaking procedures

In a groundbreaking medical achievement, doctors implanted a genetically modified pig kidney into a human patient following the installation of a new heart pump.

Rat neurons repair mouse brains — and restore sense of smell

Researchers create hybrid mice by incorporating rat stem cells into their brains to compensate for missing cells and structures.

Scientists Can Now See Inside a Single Cancer Cell

UK researchers have found a novel way to peer into cancer cells, revealing detailed insights into their fatty composition. This new imaging technique offers a clearer understanding of how different cancers react to treatments and provides valuable insights into tumor biology.

🔭 Space & Astronomy

Russian cosmonauts make quick work of space station spacewalk

Oleg Kononenko and Nikolai Chub are back inside the International Space Station after 4.5 hours outside.

Russia vetoes U.N. resolution on nuclear weapons in space

Russia vetoed April 24 a United Nations Security Council resolution crafted in response to reports that the country was developing a nuclear anti-satellite weapon.

🌐 Others

Deciphered Herculaneum papyrus reveals precise burial place of Plato

Historical records on Plato's death vary, but recent archaeological discoveries, including a deciphered papyrus scroll, pinpoint a likely burial site in a private area near a shrine to the Muses within the garden of his Academy in Athens. Constanza Millani, from Italy's National Research Council, notes this revelation offers new insights into Plato's final resting place.

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