There is an outbreak of Oropouche in Espírito Santo, Brazil. Oropouche is spread primarily through the bites of infected midges (small flies) and mosquitoes.
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A team of researchers has uncovered seven new dark comets in the solar system. In addition to doubling the number of known dark comets, the researchers have identified two distinct types based on differences in their orbit and size.
Published in the Proceedings of the National Academy of Sciences, the findings reveal seven new dark comets and two types: outer dark comets and inner dark comets. Outer dark comets are large objects with eccentric orbits that may originate in the outer solar system. Inner dark comets are smaller objects with nearly circular orbits that travel in the inner solar system, closer to Earth, and may originate in the asteroid belt.
“One of the most important reasons why we study small bodies, like asteroids and comets, is because they tell us about how material is transported around the solar system,” said Michigan State University researcher Darryl Seligman, who led the study and is a recipient of a U.S. National Science Foundation Astronomy and Astrophysics Postdoctoral Fellowship, supported in part by a gift from Charles Simonyi to NSF.
“The discovery of more and different types of dark comets whizzing through the solar system is a prime example of why NSF continues to support the innovative research of postdoctoral scientists,” says Louise Edwards, program director of the NSF Astronomy and Astrophysics Postdoctoral Fellowships program.
Dark comets — which look
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Theft of a nuclear gauge
Print View Posted on: 10 December 2024
Event Date: 20 September 2024 Event Type: Radiation Source Event Location: Mexico, Tijuana, Baja California. INES Rating: 1 (Final)
On September 20, at approximately 16:51 (UTC-22.51), the theft of a CPN nuclear densimeter, model MC-1, serial number MD10700322, was reported to the CNSNS office, which contains the following radioactive sources:
1- Am-241/Be (with an activity today of 1.75 GBq)
2- Cs–137 (with an activity today of 170 MBq).
The theft occurred when the equipment was extracted from a vehicle owned by the company LAMSYCO LABORATORIOS, S.A. de C.V., at Boulevard 2000 in the Colonia Altiplano Tijuana, Baja California, México at approximately 15:00 (UTC-21:00) on September 20, 2024.
On December 6th, 2024 at 19:36 (UTC-6), the radiological officer of the affected company received an anonymous call telling that the equipment was located on the “Playas de Tijuana” highway.
Finally, the device was secured and recovered at around 20:20 (UTC-6).
INES Rating: 1 – Anomaly (Final) as per 09 December 2024
Impact on people and the environment Release
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Why did the Division of Earth Sciences (EAR) realign its science funding programs?
EAR realigned its science funding programs to better serve the research community. The nature of EAR-supported science is changing, with more projects that span multiple domains of Earth Science research. By having programs with broader scopes, EAR is making it simpler to find a home for a given research project. The realignment of programs is designed to more readily support disciplinary, multidisciplinary, and interdisciplinary science. The new programmatic structure also will provide greater flexibility for EAR to support projects encompassing a wider range of award sizes and scopes.
What happened to my program?
While the EAR programs have changed names and structure, the disciplines that the division supports have not changed.
I currently have a proposal under review in an EAR program, but now that program has been archived. What happens
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