Monday 20 May 2019

Bullet train champion in Japan will debut in 2030, now being tested

Testing for a train capable of 249mph (400 kph) speeds is to happen about twice a week at night. Bloomberg said ALFA-X is the world's fastest bullet train— well, for now, it is holding that title. Japan has also been working on a maglev train.

* This article was originally published here

Size is everything, ecologist finds

Natural ecosystems are as vulnerable as they are diverse. Environmental changes such as climate change, pollution or the spread of alien species can easily throw an ecosystem off balance. Researchers are therefore investigating how susceptible ecosystems are to disruption. But in their search for answers they face the problem that the complex network of relationships includes innumerable interactions, which are virtually impossible to record comprehensively and convert into measurable data.

* This article was originally published here

PAL: A wearable system for context-aware health and cognition support

Researchers at MIT Media Lab have developed a wearable platform that provides real-time, personalized, and context-aware health and cognition support. Their system, called personalized active learner (PAL), was presented in a paper pre-published on arXiv.

* This article was originally published here

Huawei could be stripped of Google services after US ban

Huawei could lose its grip on the No. 2 ranking in worldwide cellphone sales after Google announced it would comply with U.S. government restrictions meant to punish the Chinese tech powerhouse.

* This article was originally published here

Reverse-engineered computer model provides new insights into larval behavior

Scientists have developed a new approach to describe the behaviours of microscopic marine larvae, which will improve future predictions of how they disperse and distribute.

* This article was originally published here

The best exercises for brain health

(HealthDay)—There's a lot you can learn from your elders, starting with the results of a multi-year study of exercise and brain health in seniors.

* This article was originally published here

Expert judgement provides better understanding of the effect of melting ice sheets

Melting ice sheets in Greenland and the Antarctic, and subsequent sea level rise (SLR) this will cause, is widely recognised as posing a significant threat to coastal communities and ecosystems.

* This article was originally published here