1. Robotic Exoskeleton Helps Paralyzed Man Walk Again: The article discusses a robotic exoskeleton developed by researchers in Japan that has enabled a paralyzed man to walk again. The exoskeleton, which is controlled by the user's brain signals, provides support and mobility to individuals with spinal cord injuries or other neurological conditions, offering hope for improved quality of life and independence.

2. Breakthrough in Quantum Computing: The article highlights a significant breakthrough in quantum computing, with researchers demonstrating the ability to control the state of a single electron in a silicon chip. This achievement represents a major step towards the development of practical quantum computers, which have the potential to revolutionize various industries and fields of research.

3. Advances in Renewable Energy Storage: The article discusses the progress made in renewable energy storage, particularly the development of a new type of battery that can store energy for long periods of time. This innovation could help overcome one of the key challenges in the widespread adoption of renewable energy sources, making them more reliable and accessible for both residential and commercial applications.