Each morning Gaynor Crossan lovingly prepares her husband of 57 years for the day ahead. It's a complicated process that takes nearly an hour. Graham is 80 years old and has advanced Motor Neurone ...

Stephanie Mistre holds herself together well as she walks through the bedroom that once belonged to her 15-year-old daughter, Marie. Warning: This story details youth suicide and eating disorders. For ...

Abstract: The multi-source navigation system is always equipped with diverse sensors to achieve complementary advantages such as accurate navigation. However, it inevitably causes sensor redundancy.

Abstract: In this paper, we propose an improved bat algorithm (IBA) for the optimal deployment of wireless sensor networks, integrating adaptive strategies and differential evolution (DE) mechanisms ...