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Gravitational lenses could hold key to better estimates of expansion of the universe.

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Accessed on 17 November 2020, 1401 UTC.


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Gravitational lenses could hold the key to better estimates of the expansion of the universe

The universe is expanding but astrophysicists aren’t sure exactly how fast that expansion is happening—not because there aren’t answers, but rather because the answers they could give don’t agree.

Plants & Animals

Extremely rare parasitic crustacean discovered in museum shark collection

Cymothoids are a family of isopods (a type of crustacean) that are ectoparasites of fish. Some species in this family are also known as tongue-biter or tongue-eating louse (e.g., Cymothoa exigua).

Gravitational lenses measure universe expansion

It’s one of the big cosmology debates: The universe is expanding, but how fast exactly? Two available measurements yield different results. Leiden physicist David Harvey adapted an independent third measurement method using …

 Medical Xpress

Diseases, Conditions, Syndromes
Potential cholera vaccine target discovered

 Tech Xplore

Potential cholera vaccine target discovered

Findings from a team led by investigators at Massachusetts General Hospital (MGH), reported in the online journal mBio, may help scientists develop a more effective vaccine for cholera, a bacterial disease that causes severe …

Quantum tunneling pushes the limits of self-powered sensors

Shantanu Chakrabartty’s laboratory has been working to create sensors that can run on the least amount of energy. His lab has been so successful at building smaller and more efficient sensors, that they’ve run into a roadblock …

Astronauts board ISS from SpaceX’s ‘Resilience’

Four astronauts carried into orbit by a SpaceX Crew Dragon boarded the International Space Station on Tuesday, the first of what NASA hopes will be many routine missions ending US reliance on Russian rockets.

Study shows geographic shift in U.S. social mobility

Dylan Connor’s father worked as a house painter while his mother tended to their home and family, one that included six boys. Neither of his parents finished high school, but they built a future for their children that included …

The small satellite that’s paying big dividends

Think of the International Space Station, and most likely you imagine an orbiting laboratory, where scientists observe how plants, materials, and humans react to microgravity conditions. But during the past decade, the station …

Songbird parents evict young for their own benefit

Parents, you might know the feeling. When kids get pushy and demanding, it’s a tempting fantasy to shove them out of the house and let them survive on their own. Of course, we’d never put our babies in harm’s way, but according …

New placement for one of Earth’s largest mass extinction events

Curtin University research has shed new light on when one of the largest mass extinction events on Earth occurred, which gives new meaning to what killed Triassic life and allowed the ecological expansion of dinosaurs in …

Building blocks of life can form long before stars

An international team of scientists have shown that glycine, the simplest amino acid and an important building block of life, can form under the harsh conditions that govern chemistry in space.

Does the human brain resemble the Universe?

An astrophysicist at the University of Bologna and a neurosurgeon at the University of Verona compared the network of neuronal cells in the human brain with the cosmic network of galaxies… and surprising similarities emerged

Sensors get a laser shape up

A simple method developed at KAUST uses laser beams to create graphene electrodes that have better performance than those produced through older methods.

A sweeping climate model of the Red Sea

Projections of atmospheric and oceanic processes in the Red Sea are informing the design of sustainable megacities being planned and built along its shores.

Looking inside the glass

A team of researchers from the Institute of Industrial Science at The University of Tokyo used advanced electron spectroscopy and computer simulations to better understand the internal atomic structure of aluminosilicate …

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