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Beyonce has apparently removed a sample of Kelis’ 2003 song Milkshake from her song Energy, following Kelis’ criticism of the sample. The song Energy – from Beyonce’s latest album Renaissance, 40 – was revised on Tidal and Apple on Tuesday, according to Rolling Stone. At one point, the fault fell on Tidal, with only isolated vocals showing and nearly two minutes of silence. According to Entertainment Weekly, the version of Energy featuring the Kelis sample remains the same on the Spotify version as of Tuesday. Latest: Beyonce, 40, has removed a sample of Kelis’ 2003 song Milkshake from her song Energy, following criticism from Kelis, 42, of the sample. The 2003 hit of Kelis was written by Pharrell Williams and Chad Hugo (formerly known as The Neptunes), both of whom were credited on Beyonce’s tracks, although Kelis was not. Beyonce’s website shows that the samples used on the song were interpolated, changing the existing soun...

This illustration shows the concept of several robots working together to transport rock and soil samples to Earth collected from the surface of Mars by NASA’s Mars Perseverance rover. Credit: NASA/JPL-Caltech NASA has completed a system requirements review for the Mars Sample Return Program, which is close to completing the conceptual design phase. During this phase, the program team has evaluated and refined the architecture to return scientifically selected samples, which are currently in the process of being collected by NASA’s Perseverance rover in the Red Planet’s Jezero Crater. The architecture for the campaign, which includes contributions from the European Space Agency (ESA), is expected to reduce the complexity of future missions and increase the likelihood of success. “The conceptual design phase is when every aspect of the mission plan is put under the microscope,” said Thomas Zurbuchen, associate admini...

Raman spectroscopy, an optical microscopy technique, is a non-destructive chemical analysis technique that provides rich molecular fingerprint information about chemical structure, phase, crystallinity and molecular interactions. This technique relies on the interaction of light with chemical bonds in a material. However, because light is a wave, optical microscopy cannot resolve distances of less than half the wavelength from the light incident on the sample. This is known as the “diffraction limit,” which prevents Raman spectroscopy and other optical microscopy techniques from achieving nanoscale resolution. To increase the spatial resolution, another technique called “tip-enhanced Raman spectroscopy” (TERS) was invented, which can achieve a spatial resolution below the diffraction limit. In TERS, a nano-sized metal tip confines light in a nano-sized volume just above the sample. The light interacts with the sample molecules on the surface and imaging is done by analy...

Conventional nanoscale imaging is usually difficult to perform for large micron-scale samples due to aberrations caused by thermal effects and vibrations. Now, researchers from Japan are tackling this problem with a newly developed imaging system that compensates for the aberration. Credit: Professor Prabhat Verma of Osaka University Raman spectroscopy, an optical microscopy technique, is a non-destructive chemical analysis technique that provides rich molecular fingerprint information about chemical structure, phase, crystallinity and molecular interactions. This technique relies on the interaction of light with chemical bonds in a material. However, because light is a wave, optical microscopy cannot resolve distances of less than half the wavelength from the light incident on the sample. This is known as the “diffraction limit,” which prevents Raman spectroscopy and other optical microscopy techniques from achieving nanoscale re...

While climate change is taking effect everywhere on Earth, the Arctic Circle is feeling its effects primarily, in the form of melting glaciers, melting ice sheets, and decreasing sea ice. Key players in climate change include clouds covering the Earth’s surface and microscopic aerosols in the air called ice core particles that seed the formation of ice in these clouds. This dance of ice cores, cloud cover and heat all play a major role in climate. But the all-important ice-forming aerosols, which can be mineral dust, microbes, or ocean spray, are rarely studied in the Arctic – where they need to be studied most – because little is known about their effects there, and not many scientists venture further north. . However, Colorado State University scientists did. In 2019, an intrepid team including atmospheric research scientist Jessie Creamean boarded a ship, sailed north, collected thousands of samples of air, seawater, sea ice, snow, and meltwater, and brought home the physica...