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In the late 2000s, after natural gas uptake caused American carbon dioxide emissions to plummet, panicked environmentalists began to scramble for new ways to campaign on ending so-called fossil fuels. Methane, with 23X the warming power of CO2, was ideal, but they had just spent a decade insisting methane could explain increased warming, because it did not persist long enough.

And it would have started long before then, if the methane were linked to global warming by frozen tundra melting and releasing its methane. But it wasn't detected.
A newly named species, a giant, black, mud dwelling, worm-like animal, doesn't seem to eat much, instead it gets its energy from a form of sulfur. 

The public is often confused what 'discovery' means in science. It means it is being identified as a new species, not never seen before. The three- to five-foot long, tusk-like shells that encase the animal were first documented in the 1700s and are fairly common, it's the living animal inside that is being identified as a new species.  
A new bio-inspired algorithm seems to use the social behavior of bee colonies, which allows them to attack in an optimal way, could help dismantle social networks linked to organized crime, jihadist terrorism, or facilitate the design of vaccination strategies capable of containing the spread of a pandemic.

The tool automatically detects and identifies the most dangerous actors or nodes within a given social network and the density of the interconnected relationships between them, which may help law enforcement authorities make their decisions and act in the most efficient way possible.
Starburst galaxies are where stars are forming at such a breakneck rate that the galaxy is eating up its gas supply faster than it can be replenished. There are several different factors that can lead to such an ideal environment in which stars can form at such a rapid rate. Crucially, there has to be a sufficiently massive supply of gas. This might be acquired in a number of ways -- for example by passing very close to another galaxy, in a full-blown galactic collision, or as a result of some event that forces lots of gas into a relatively small space.
Since cancer tumors are thought to depend on  large amounts of glutamine to achieve rapid growth, some have speculated that glutamine deprivation is a therapeutic approach.

A new study casts doubt on that. 

Numerous studies have indicated that tumore cannot survive without glutamine, and this has fueld the idea that preventing “glutamine addiction” could be a potential therapeutic strategy. A study now concludes that while glutamine deprivation will halt the proliferation of certain tumor cells, most of them will not be killed, raising questions of whether such a therapeutic intervention will lead to remission in cancers. 
The umbrella term for the 68 percent of the universe that we can't detect and know nothing about has been given the umbrella term "dark energy." Like wormholes 30 years ago, it is more MacGuffin than science. You could call it aether or magic or any deity name and be just as valid.

But inference says something, or a variety of somethings, must be causing the universe to expand when gravity says it should contract. So dark energy it is.

Except maybe it isn't