Monday, September 4, 2017

Science X Newsletter Week 35

Dear Reader ,

Here is your customized Science X Newsletter for week 35:

Antidepressants found in fish brains in Great Lakes region

Human antidepressants are building up in the brains of bass, walleye and several other fish common to the Great Lakes region, scientists say.

Fossil footprints challenge established theories of human evolution

Newly discovered human-like footprints from Crete may put the established narrative of early human evolution to the test. The footprints are approximately 5.7 million years old and were made at a time when previous research puts our ancestors in Africa - with ape-like feet.

Largest asteroid in a century to whiz by Sept 1

The largest asteroid in more than a century will whiz safely past Earth on September 1 at a safe but unusually close distance of about 4.4 million miles (7 million kilometers), NASA said.

Apes' abilities misunderstood by decades of poor science

Apes' intelligence may be entirely misunderstood, because research has so far failed to measure it fairly and accurately, according to scientists.

Entanglement is an inevitable feature of reality

(Phys.org)—Is entanglement really necessary for describing the physical world, or is it possible to have some post-quantum theory without entanglement?

Higher coffee consumption associated with lower risk of death

Higher coffee consumption is associated with a lower risk of death, according to research presented today at ESC Congress. The observational study in nearly 20 000 participants suggests that coffee can be part of a healthy diet in healthy people.

Distant galaxy sends out 15 high-energy radio bursts

Breakthrough Listen, an initiative to find signs of intelligent life in the universe, has detected 15 brief but powerful radio pulses emanating from a mysterious and repeating source – FRB 121102 – far across the universe.

16-year study suggests air temperature is external trigger for heart attack

A 16 year study in more than 280 000 patients has suggested that air temperature is an external trigger for heart attack. The findings are presented today at ESC Congress.

Researchers propose how the universe became filled with light

Soon after the Big Bang, the universe went completely dark. The intense, seminal event that created the cosmos churned up so much hot, thick gas that light was completely trapped. Much later—perhaps as many as one billion years after the Big Bang—the universe expanded, became more transparent, and eventually filled up with galaxies, planets, stars, and other objects that give off visible light. That's the universe we know today.

Black hole models contradicted by hands-on tests

A long-standing but unproven assumption about the X-ray spectra of black holes in space has been contradicted by hands-on experiments performed at Sandia National Laboratories' Z machine.

Astrophysicists convert moons and rings of Saturn into music

After centuries of looking with awe and wonder at the beauty of Saturn and its rings, we can now listen to them, thanks to the efforts of astrophysicists at the University of Toronto (U of T).

381 new species discovered in the Amazon

A new WWF and Mamirauá Institute for Sustainable Development report, released on 30 August, reveals that a new animal or plant species is discovered in the Amazon every 2 days, the fastest rate to be observed this century. The findings come as huge parts of the forest are increasingly under threat, sparking further concern over the irreversible - and potentially catastrophic - consequences unsustainable policy and decision-making could have.

Nanoparticle-drug combo turns white fat to brown fat with potential to treat obesity, diabetes

In a potential breakthrough for the treatment of obesity and diabetes, Purdue University scientists have found a way to deliver a drug directly to stored white fat cells to turn them into more easily burned brown fat cells.

Physicists propose new theories of black holes from the very early universe

UCLA physicists have proposed new theories for how the universe's first black holes might have formed and the role they might play in the production of heavy elements such as gold, platinum and uranium.

Magnetic stimulation of the brain improved awareness of subject's own cognitive abilities

Researchers at Aalto University and the University of Helsinki have succeeded for the first time ever in affecting metacognition of a tactile working memory task by combining neural pathway imaging and magnetic stimulation of the brain. Understanding brain function might help in the development of new treatments for neuropsychiatric illnesses in the future.

Hubble delivers first hints of possible water content of TRAPPIST-1 planets

An international team of astronomers used the NASA/ESA Hubble Space Telescope to estimate whether there might be water on the seven earth-sized planets orbiting the nearby dwarf star TRAPPIST-1. The results suggest that the outer planets of the system might still harbour substantial amounts of water. This includes the three planets within the habitable zone of the star, lending further weight to the possibility that they may indeed be habitable.

Molecules chilled below Doppler limit

A team of researchers working at the Centre for Cold Matter, Blackett Laboratory, Imperial College London, has found a way to chill molecules much closer to absolute zero. In their paper published in the journal Nature Physics, the team describes the two-step technique they used to achieve the feat and offer some ideas on how it might be used by others in the near future.

Biologists find new source for brain's development

A team of biologists has found an unexpected source for the brain's development, a finding that offers new insights into the building of the nervous system.

Honeybees become workers or queens depending on the plant microRNAs in their diet

Bee larvae develop into workers, in part, because their diet of pollen and honey, called beebread, is rich in plant regulatory molecules called microRNAs, which delay development and keep their ovaries inactive. Xi Chen of Nanjing University in China and colleagues, report these August 31, 2017 in PLOS Genetics.

Ancient whales were predators not gentle giants

Ancient whales had extremely sharp predator teeth similar to lions, Australian scientists said Wednesday in a discovery they believe debunks theories the mammals used their teeth to filter feed like today's gentle giants.


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