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Did the universe really start with a Big Bang? Dr. Richard Lieu thinks otherwise. In this episode, we explore his radical theory of transient temporal singularities—bursts that could replace dark matter, dark energy, and even the Big Bang itself. Get ready to rethink the universe.

Paper link: https://arxiv.org/pdf/2503.

Chapters:
00:00 Introduction.
00:43 The Big Bang Under Scrutiny.
04:31 Gravity Without Mass?
07:56 Implications, Related Theories, and the Future of Cosmology.
11:07 Outro.
11:26 Enjoy.

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Continue reading “The Universe Creates Itself? New Theory Says Big Bang Never Happened” | >

China has begun launching satellites for a giant computer network in space, according to the China Aerospace Science and Technology Corporation.

Newsweek contacted the company and the United States Space Force for comment.

Why It Matters

Space is an increasing frontier for competition between China and the United States. Putting a computer network in space marks a step change from using satellites for sensing and communications, but leaving them dependent on their connections to Earth for data processing.

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A team of physicists, biologists and engineers at Cornell University, in the U.S., has discovered some of the factors that lead to more or less spray when cutting onions and found a couple of ways to reduce the amount of eye irritation. The group has published a paper describing their study on the arXiv preprint server.

Prior research has shown that eye irritation when cutting is caused by the release of syn-propanethial-S-oxide into the air along with other juices in the onion. For this new study, the team in New York wanted to know what factors led to more or less of the juices being spewed into the air during slicing.

To find out, the research team outfitted a special guillotine that could be fitted with different types of blades. They also coated onion chunks with paint to allow for better viewing of the cutting process. They used the guillotine to cut samples, each of which was recorded. Trials varied knife size, sharpness and cutting speed. They even used an to accurately measure the knives before use.

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Yonsei University College of Medicine-led research has shown amiloride is as effective as spironolactone in reducing systolic blood pressure (SBP) over 12 weeks in patients with resistant hypertension.

Resistant affects approximately 10% of hypertensive patients and is associated with worse outcomes than nonresistant cases.

Spironolactone is a fourth-line medication, introduced only after renin-angiotensin system inhibitors, , and thiazide diuretics fail to control blood pressure. Adverse effects, particularly hyperkalemia and hormonal disruptions, limit its use in long-term care. Amiloride, a potassium-sparing diuretic, lacks these hormonal side effects, making it a potential replacement candidate.

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