US announces tough tap water standards for 'forever chemicals'

US President Joe Biden's administration on Wednesday announced the first nationwide tap water standards to protect the public from toxic "forever chemicals" linked to serious health harms ranging from cancers to developmental ...

Computing how quantum states overlap

Quantum many-body systems are things such as atomic nuclei that consist of many tiny particles moving in complex ways. This makes it extremely difficult to predict how the systems behave as the particles interact. To study ...

What is a sinkhole? A geotechnical engineer explains

Sinkholes are back in the news after a 13-year-old boy fell down a two meter deep hole in a waterlogged football field in Sydney over the weekend. The boy reportedly sank further into the hole every time he tried to push ...

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