Science News
Ultra-wideband heterogeneous integrated photodiodes on thin-film lithium niobate platform
Phys.org - 11 Oct 2023 15:29
Owing to its strong electro-optic coefficient and wide transparency window, lithium niobate (LN) has become an attractive photonic material. Thin-film lithium niobate (TFLN) technology has enabled tight mode confinement ...
Exactly where and when to see the 'ring of fire' solar eclipse this weekend
Live Science - 11 Oct 2023 12:00
A partial solar eclipse will be visible across most of the Americas on Oct. 14, with a rare 'ring of fire' annular eclipse visible in nine states.
A look inside the sun's fire: New measurements point at slower burn-in phase of hydrogen burning
Phys.org - 11 Oct 2023 15:53
Nuclear astrophysics studies the evolution of the elements in the universe since its creation. The astrophysical models rely on parameters that scientists deduce from laboratory measurements. Nuclear reactions play a cru...
Scientists discover ghost of ancient mega-plate that disappeared 20 million years ago
Live Science - 11 Oct 2023 12:42
A long-lost tectonic plate dubbed 'Pontus' that was a quarter of the size of the Pacific Ocean was discovered by chance by scientists studying ancient rocks in Borneo.
Earth's crust swallowed a sea's worth of water and locked it away beneath Pacific seafloor
Live Science - 11 Oct 2023 11:54
Porous rock that formed during one of Earth's biggest volcanic eruptions absorbed so much water as it eroded that it created a huge reservoir over the eons, now buried deep in Earth's crust.
Winning images from Wildlife Photographer of the Year 2023
New Scientist - 11 Oct 2023 01:30
Orcas hunting a seal, duelling Nubian ibexes and a stunning horseshoe crab appear in winning images from this year's Wildlife Photographer of the Year competition
Hidden Emotions: The Subtle Impact of Facial Color
Neuroscience News - 11 Oct 2023 23:46
Researchers explored how facial color affects our subconscious perception of emotions. Using photos with "hybrid emotions," they discovered that reddish facial hues enhanced the friendliness of happy expressions without ...
Samples from asteroid Bennu contain the key ingredients of life
New Scientist - 11 Oct 2023 23:23
The asteroid Bennu was sampled by NASA's OSIRIS-Rex mission, which returned to Earth last month. Researchers have already begun studying the samples, and say they contain key ingredients of life
Teen Brains at Risk: Common Herbicides Linked to Cognitive Dip
Neuroscience News - 11 Oct 2023 23:12
Herbicides, notably glyphosate and 2,4-D, have been associated with adverse effects on adolescent brain function, according to researchers from the University of California San Diego. Findings show the ubiquitous presenc...
New easy-to-use optical chip can self-configure to perform various functions
Phys.org - 11 Oct 2023 22:56
Researchers have developed an easy-to-use optical chip that can configure itself to achieve various functions. The positive real-valued matrix computation they have achieved gives the chip the potential to be used in app...
Skeletons from 1918 flu dispel myth that young, healthy adults were more vulnerable to the virus
Live Science - 11 Oct 2023 22:52
Frail people and those with preexisting conditions were most likely to die from the 1918 flu -- not young, healthy adults as once believed, a study of the victims' skeletons suggests.
Subtle Test Deficits: A Quiet Prelude to Cognitive Decline?
Neuroscience News - 11 Oct 2023 22:46
A recent study reveals a potential predictive indicator for mild cognitive impairment (MCI), often a forerunner to dementia, in individuals reporting subjective cognitive decline yet displaying only subtle test deficits....
Realizing attosecond core-level X-ray spectroscopy for the investigation of condensed matter systems
Phys.org - 11 Oct 2023 22:23
The many-body interaction of charges (electrons) and nuclei (phonons) plays a critical role in determining the properties and functionalities of molecules and solids. The exact correlated motion of these particles gives ...
Whispering gallery microprobe opens up new opportunities for optical spectroscopy
Phys.org - 11 Oct 2023 21:07
Light-matter interaction is one of the most basic ways people observe the physical world. While reflection and refraction of light reveal the morphology of matter, inelastic scattering of light, like Raman scattering, en...
Focus on perovskite emitters in blue light-emitting diodes
Phys.org - 11 Oct 2023 21:05
In recent years, the advancement of LEDs based on perovskite materials has progressed significantly. The benefits of perovskite materials, including their straightforward production processes, wide color gamut, high colo...
Hidden colors and intricate patterns discovered on the 2,500-year-old Parthenon Marbles from ancient Greece
Live Science - 11 Oct 2023 20:49
The ancient Greek statues were assumed to be spotlessly white, but a new study reveals that the Parthenon Sculptures once burst with color.
NASA finally reveals 1st sample from potentially-hazardous asteroid Bennu -- and it may contain the seeds of life
Live Science - 11 Oct 2023 20:35
After a years-long mission to collect and retrieve rock samples from the potentially hazardous asteroid Bennu, NASA has revealed its initial findings -- and perhaps a clue to life's origins on Earth.
Tens of Thousands of People Can Now Order a Waymo Robotaxi Anywhere in San Francisco
Singularity Hub - 11 Oct 2023 20:17
On Monday, Waymo announced on X that it’s expanding its city-wide, fully autonomous robotaxi service to thousands more riders in San Francisco. The company had been testing a service area of nearly the whole city (arou...
Earth's core is oddly squishy and we may now know why
New Scientist - 11 Oct 2023 20:00
Earth's iron-rich inner core may owe some of its surprising softness to the motion of atoms, suggest experiments with iron at high temperature and pressure coupled to AI simulations
New Scientist Live: Inside the world's best science and tech festival
New Scientist - 11 Oct 2023 20:00
From a huge revolving planet Mars to cuddles with a robot, as well as talks by Alice Roberts and Hamza Yassin, find out what went down at this year's New Scientist Live
Extremely Online review: A vital look at the creator economy
New Scientist - 11 Oct 2023 20:00
Taylor Lorenz goes behind the scenes of the multibillion-dollar influencer industry to trace its meteoric rise in this fascinating book
How the balloon analogy for an expanding universe is almost perfect
New Scientist - 11 Oct 2023 20:00
If space-time is expanding, then why does gravity seem to pull things together? Physics can be weird, says Chanda Prescod-Weinstein