HKU engineers designed and fabricated inch-scale ultrahard diamond wafers with 200 GPa hardness
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Updates every hour. Last Updated: 20-Apr-2026 23:16 ET (21-Apr-2026 03:16 GMT/UTC)
The technology used to predict sand and dust storm (SDS) severity has for decades systematically over-estimated when and where sediment is transported across the Earth’s surface, a new study shows.
Nations around the globe are grappling with a massive dual challenge: maintaining economic momentum while drastically slashing carbon outputs. Many policymakers have placed their bets on the digital economy as a modern solution for climate change. However, the exact mechanics of how data and connectivity actually clean up our air have remained somewhat murky. Now, a comprehensive evaluation of 259 Chinese cities cuts through the noise, mapping exactly how digital transformation drives environmental progress.
It is well known that pollution damages ecosystems, but putting a precise price tag on that damage, and figuring out how government budgets can effectively lower it,is a complex puzzle. Rather than simply tallying up carbon emissions, a fresh economic analysis looks directly at the actual financial burden of pollution across six Mediterranean nations. The conclusion? Policy synchronization is the ultimate money-saver, and political hesitation is incredibly expensive.