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Na-ion batteries get closer to replacing Li-ion batteries

(Phys.org)—As lithium resources continue to decline worldwide, the next generation of portable electronics will most likely be powered by something other than Li-ion batteries. One potential candidate is the sodium-ion (Na-ion) battery, which stands out because sodium is cheaper, non-toxic, and more abundant than lithium.

One simple trick to make Stan run faster

Did you know that Stan automatically runs in parallel (and caches compiled models) from R if you do this: source(“http://mc-stan.org/rstan/stan.R”) It’s from Stan core developer Ben Goodrich. This simple line of code has changed my life. Show More Summary

Explaining the Rapid Decolonization of Africa

The decolonization of Africa was almost as fast as the more famous Scramble to colonize the continent had been, and there were five main causes.

The Sky This Week - Thursday March 5 to Thursday March 12

10 hours agoAcademics / Astronomy : Astroblog

The Full Moon is Friday March 6. Venus is prominent in the twilight evening sky. Mars is lost in the twilight. Jupiter is the brightest object in the late evening sky. Saturn is in the head of the Scorpion and is visited by the waning Moon on March 12. Show More Summary

Session on ocean acidification, air-sea exchange and the biological pump at the 25th Goldschmidt Conference, Prague, 16-21 August 2015

Conveners: Steven Emerson, and Doug Wallace Abstract submission is now open until April 2nd, 2015. The pCO2 content of the atmosphere is regulated by exchange with the upper ocean via the solubility and biological pumps. About one quarter of the anthropogenic CO2 introduced to the atmosphere is ultimately stored in the ocean causing a decrease […]

What’s Up with Minute Man Park This Month

Today the North Bridge Visitor Center of Minute Man National Historical Park is scheduled to reopen for the season.It will be open through the end of the month on Tuesday through Saturday, 11:00 A.M. to 3:00 P.M. In April, with the anniversary...Show More Summary

Preventing the spread of cancer with copper molecules

Chemists at Bielefeld University have developed a molecule containing copper that binds specifically with DNA and prevents the spread of cancer. First results show that it kills the cancer cells more quickly than cisplatin - a widely used anti-cancer drug that is frequently administered in chemotherapy. Show More Summary

Autocomplete strikes again

I think I know how an unsuitable but immensely rich desert peninsula got chosen by FIFA (the international governing body for major soccer tournaments) to host the soccer World Cup in 2022. First, a personal anecdote that triggered my hypothesis about the decision. I recently sent a text message from my smartphone and then carelessly […]

Hadrian’s Wall Monuments – 3D Scan No.5

Easter Egg! This is our fifth and final blog on the 3D scans of Roman monuments associated with Hadrian’s Wall. Today’s blog is on the 3D scans of Roman monuments associated with Hadrian’s Wall, products of our recent collaboration with University of Newcastle as part the NU Digital Heritage project (http://www.nu-digitalheritage.com). Show More Summary

A Year Without Speaking English

I’m extremely proud to share this guest post by my friend Scott Young, who challenged himself to spend a year learning four new languages through total immersion along with his friend Vat. Their rule for the year: no English. Scott and...Show More Summary

Vaccine hesitancy: Journal collection investigates vaccination decision-making

Vaccines are thought to be one of the most successful public health measures, but some individuals are hesitant to vaccinate their families for a variety of reasons. Researchers explore individuals' confidence or reluctance to vaccinate their families and the associated effects on global health.

Cold weather: Snow on the beach, plus waterspouts near Los Angeles

Yes you read that headline correctly. Yesterday in Huntington Beach there was snow. And, in Redondo Beach, waterspouts were reported. I’m sure it won’t be long before somebody tries to blame these weather events on “global warming” which is fast becoming the “universal bogeyman” for any weather event. And in downtown: Another shot of downtown…

Excited Quarks and Early Discoveries at LHC Run II

In seven weeks CERN's Large Hadron Collider (LHC), the largest and most energetic particle accelerator in history, is scheduled to turn back on. The LHC has been shutdown since December 2012 in order for experimentalists to repair and upgrade the different detector experiments as well as the collider itself. Show More Summary

Open English Borders

I am in favor of open borders for economic and moral reasons. It’s not crazy, however, to be concerned about some of the potential consequences of immediately opening borders between countries with very different income levels, culture or history. It is crazy, however, to fear opening borders between countries with similar income levels, culture and history. […]

Best of Our Blogs: March 3, 2015

Having trouble connecting with someone in your life? Know this. Every person you meet desires the same things: 1. To be loved. 2. To be seen. 3. To be happy. 4. To feel like they matter. This is true for the difficult relative you can’t get along with. It’s true of your boss, your kids, and […]

Session on ocean acidification (multiple stressors context) at the 25th Goldschmidt Conference, Prague, 16-21 August 2015

The session is entitled “Anthropogenic Impacts on Coastal Geochemistry: Acidification, Eutrophication and Hypoxia”. The oceans’ coastal zones face strong and rapid changes, forced by a combination of multiple human-driven stressors, including eutrophication and anthropogenic CO2-induced changes. Show More Summary

Juvenile pen shells (Pinna nobilis) tolerate acidification but are vulnerable to warming

In the course of this century, rising anthropogenic CO2 emissions will likely cause a decrease in ocean pH, know as ocean acidification, together with an increase of water temperature. Only in the last years, studies have focused on synergetic effects of both stressors on marine invertebrates, particularly on early life stages considered more vulnerable. Disparate […]

Decreased calcification in the Southern Ocean over the satellite record

Widespread ocean acidification is occurring as the ocean absorbs anthropogenic carbon dioxide from the atmosphere, threatening marine ecosystems, particularly the calcifying plankton that provide the base of the marine food chain and play a key role within the global carbon cycle. Show More Summary

Ocean warming–acidification synergism undermines dissolved organic matter assembly

Understanding the influence of synergisms on natural processes is a critical step toward determining the full-extent of anthropogenic stressors. As carbon emissions continue unabated, two major stressors—warming and acidification—threaten marine systems on several scales. Show More Summary

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