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Phys.org
4h ago
Are mice clever enough to be strategic? Kishore Kuchibhotla, a Johns Hopkins University neuroscientist who studies learning in humans and animals, and who has long worked with mice, wondered why rodents often performed poorly in tests when they knew how to perform well. With a simple experiment, and by acting as "a little bit of a mouse psychologist," he and his team figured it out ..read more
Phys.org
4h ago
When did you last go anywhere without your cell phone? From maps and weather apps to social media platforms, we give consent for our phones to trace our footsteps and behavior. These curated mobility data are often used for personalized advertisements ..read more
Phys.org
4h ago
A team of micro- and immunobiologists from the Dartmouth Geisel School of Medicine, Yale University, and the University of Pittsburgh has found evidence suggesting that future research teams planning to use bacteriophages to treat patients with multidrug-resistant bacterial infections need to also consider how cells in the host's body respond to such treatment ..read more
Phys.org
4h ago
Inside the cell nucleus, the DNA molecule is found in a densely packed DNA-protein complex known as chromatin. Here the DNA is wrapped around a core of histone proteins and densely packed to form nucleosomes. The structure of the nucleosomes determines which genes are accessible and active and therefore plays an important role in gene regulation. To respond to metabolic signals, changed environmental conditions, and developmental processes, the nucleosomes must undergo repeated dynamic modifications with the aid of enzymes ..read more
Phys.org
4h ago
The late physicist Joseph Polchinski once said the existence of magnetic monopoles is "one of the safest bets that one can make about physics not yet seen." In its quest for these particles, which have a magnetic charge and are predicted by several theories that extend the Standard Model, the MoEDAL collaboration at the Large Hadron Collider (LHC) has not yet proven Polchinski right, but its latest findings mark a significant stride forward ..read more
Phys.org
4h ago
A new study has revealed for the first time the vital role carbon dioxide (CO2) plays in determining the lifespan of airborne viruses—namely SARS-CoV-2, the virus that causes COVID-19. It clearly showed keeping CO2 levels in check helps to reduce virus survival, and therefore the risk of infection ..read more
Phys.org
4h ago
Wildlife officials said they will not remove a gray wolf potentially connected to recent livestock killings, despite requests from stockgrowers ..read more
Phys.org
4h ago
California may be a leader in the fight against climate change, but the state is years, even decades, behind other states when it comes to granting environmental rights to its citizens ..read more
Phys.org
4h ago
Japan's space agency announced Friday a plan to launch a major upgrade to its satellite imaging system, as a new flagship rocket is put to the test for a third time ..read more
Phys.org
4h ago
Just like the animals on Noah's Ark, the corals arrived in a pair. On Monday, divers with gloved hands gently nestled the self-bred corals from the World Coral Conservatory project among their cousins in Europe's largest coral reef at the Burgers' Zoo in the Netherlands ..read more