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Phys.org / Surrounded by stardust: Antarctic ice cores confirm Earth is accumulating iron-60 from local interstellar cloud
Our solar system is currently passing through the Local Interstellar Cloud, a region of highly diluted gas and dust between the stars. On its path, Earth continuously accumulates iron-60, a rare radioactive isotope of iron ...
Phys.org / Copper-based sensor explains key defense signaling in stressed plants
Researchers at the Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, together with collaborators from RIKEN Center for Sustainable Resource Science (RIKEN CSRS) and The University of Osaka, have uncovered ...
Medical Xpress / Ebola and hantavirus outbreaks sign of our 'dangerous' times: WHO
The deadly hantavirus and Ebola outbreaks are only the latest crises in "dangerous and divisive" times, the World Health Organization chief said Monday.
Phys.org / How unequal trade with Global North leaves Latin America supplying land, labor and raw materials
More than 900 million tonnes of materials, 4 million km2 of land, and 53 billion hours of labor. This is the scale of resources that the Global North net appropriated from Latin America through international trade in 2020 ...
Phys.org / Virtual reality game about zombie ants increases players' understanding of evolution
Playing a virtual reality game in which the player takes on the role of the zombie fungus Ophiocordyceps increases the players' understanding of how evolution works. Last summer, Utrecht University zombie ant researchers ...
Phys.org / Medieval teeth open a new perspective on leprosy care and toxic medicine
A recent study published in the Journal of Archaeological Science, led by Dr. Elena Fiorin and her colleagues investigated the potential use of mercury-based treatments for leprosy during the late medieval period. Typically, ...
Medical Xpress / Long-term trial challenges assumptions about lymph node radiation therapy in breast cancer
Final results from a landmark EORTC randomized trial with more than 20 years of follow-up show that irradiation of the internal mammary and medial supraclavicular lymph nodes reduces breast cancer mortality but does not improve ...
Phys.org / Is Earth's constant companion a stray asteroid or a chunk of the moon?
Earth has a group of cosmic stalkers. Known as "co-orbitals," these small bits of rock have a 1:1 mean motion resonance with Earth. Basically, they take the exact same amount of time to orbit the sun as we do. Astronomers ...
Phys.org / Hubble reveals rare galaxy 100 million light-years away caught in transition
This NASA Hubble Space Telescope image reveals an enigmatic galaxy with a bright center and a face that hints at spiral structure, yet it holds no obvious spiral arms. Reddish-brown clumps and filaments of dust partially ...
Phys.org / Why some water fleas suddenly grow helmets: Key receptors reveal how predator warnings trigger defense
Daphnia, commonly known as water fleas, are tiny crustaceans that live in freshwater ponds and lakes. When they sense predators in their surroundings, these small organisms can swiftly move away or adapt their body shape, ...
Dialog / Phase-contrast microtomography reveals vascular colonization of tomato roots by Fusarium oxysporum
Soil-borne fungal pathogens are responsible for major agricultural losses worldwide, yet the way they invade and spread inside plant roots is still not fully understood. One of the most damaging species, Fusarium oxysporum, ...
Phys.org / How location sharing apps change the ways we communicate
Mobile apps that allow people to share their location with others have become increasingly popular. But how and why do we use these apps, and what are the implications for interpersonal communication? That's the topic of ...
