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This hidden state of water could explain why life exists

Scientists have finally found a hidden “critical point” in supercooled water that explains why it behaves so strangely. At this point, two different liquid forms of water merge, triggering powerful fluctuations that affect water even at normal temperatures. The breakthrough was

War in the Middle East: latest developments

Here are the latest developments in the Middle East war: - Pakistan talks - Foreign ministers from Pakistan, Saudi Arabia, Egypt and Turkey started talks on the war, with Islamabad acting as a go-between between the United States and Iran. The four-way meeting between the

In Israel, air raid sirens spark anxiety and dilemmas

Acutely sensitive to noise because of childhood trauma, Nili stresses when air raid sirens send her into a crowded shelter where her own "internal war" overlaps with the one raging outside. The experience of Nili, whose name has been changed for this article, highlights the

Quadratic gravity theory reshapes quantum view of Big Bang

Waterloo scientists have developed a new way to understand how the universe began, and it could change what we know about the Big Bang and the earliest moments of cosmic history. Their work suggests that the universe's rapid early expansion could have arisen naturally from a

Black hole mergers test the limits of general relativity

General relativity stands as one of the bedrock theories in modern physics. Its strange view of relative time and space has been confirmed by countless experimental and observational tests, from rotational frame dragging to the radiation of gravitational waves. But there is