World’s smallest hard disk stores data atom by atom

DELFT, Netherlands, July 18 (UPI) –Researchers in the Netherlands have unveiled the world’s smallest hard disk. The disk uses chlorine atoms to represent each bit of information, the most efficient data storage method yet devised. The hard disk stores 1 …
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When used consistently for a month at a time, a vaginal ring containing the antiretroviral drug, dapivirine, provides significant protection against HIV, suggest new results. Among women who appeared to use the ring most regularly, HIV risk was cut by more …
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Earth (Scholastic News Nonfiction Readers: Space Science)
Features: – Includes vocabulary word hunt with pronunciations, glossary, and index- Labeled diagrams and timelines- Beautiful, ful…
The News: A User’s Manual (Vintage International)
The news is everywhere. We can’t stop constantly checking it on our computer screens, but what is this doing to our minds? We a…
High Country News
Covers environmental and natural resource issues in the inter-mountain West….

Choppin, the late nuclear chemist who co-discovered the element mendelevium, atomic number 101. Provided by Florida State University This Phys.org Science News Wire page contains a press release issued by an organization mentioned above and is provided to …
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An individualized program of follow-up treatment with electroconvulsive therapy (ECT) combined with an antidepressant was effective in preventing relapse in patients 60 years and older who had had a successful initial course of treatment for severe …
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