Kids' screen time raises heart and metabolic risks. This is worse with too little sleep. Studies show a clear health "fingerprint" in frequent users. Better sleep and balanced daily habits can counter these effects. Protecting health starts with good routines.
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A computer scientist argues cryptocurrency is a harmful scam. It wastes massive energy and enables crime. The tech doesn't deliver its promised benefits. Many online commenters agree, calling it a useless bubble. Others defend its potential for decentralized finance. The debate highlights deep divides over crypto's real value.
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Scientists created a quantum material that uses magnetism to shield qubits. This stabilizes quantum computers against external interference. It relies on common magnetic interactions, not rare quantum effects. A new tool helped discover this material. It's a key step toward building practical, robust quantum computers.
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