Uncategorized
- Astronomy
Some meteors leave trails lasting up to an hour. Now we may know why
A new survey of meteors that leave persistent trails found that speed and brightness don’t matter as much as atmospheric chemistry.
- Animals
A frog’s story of surviving a fungal pandemic offers hope for other species
Evolving immunity to the Bd fungus and a reintroduction project saved a California frog. The key to rescuing other species might be in the frog’s genes.
- Earth
Earthquakes added to Pompeii’s death toll
Broken bodies found at the archaeological site indicate that earthquakes played a role in the legendary tragedy.
- Climate
Record-breaking Coral Sea temperatures threaten the Great Barrier Reef
Near-annual extreme heat in the Coral Sea, including in 2024, is causing back-to-back mass bleaching events in the iconic Great Barrier Reef.
- Space
Scientists are getting serious about UFOs. Here’s why
UFOs have been rebranded as UAPs (unidentified anomalous phenomena). Probably not aliens, they might impact national security and aircraft safety.
- Animals
Hundreds of snake species get a new origin story
Elapoid snakes, including cobras, mambas and sea snakes, may have evolved in Asia, not Africa as many researchers once thought.
- Neuroscience
‘Then I Am Myself the World’ ponders what it means to be conscious
Neuroscientist Christof Koch’s new book discusses how information integration in the brain leads to consciousness and whether AI will ever be self-aware.
- Animals
Why a small seabird dares to fly toward cyclones
Tracking data show that Desertas petrels often veer toward cyclones and follow in their wake, perhaps to catch prey drawn to the surface.
- Archaeology
Was Egypt’s first pyramid built with hydraulics? The theory may hold water
A controversial analysis contends that ancient engineers designed a water-powered elevator to hoist stones for King Djoser’s pyramid.
- Animals
Pheromone fingers may help poison frogs mate
Specialized glands in the fingertips of some males may produce seductive chemical signals.
- Climate
Climate change is driving the extreme heat baking France’s Olympics
In this week’s Extreme Climate Update, we look at record-breaking temps around the world and explain what the heat index is.
- Neuroscience
Alzheimer’s blood tests are getting better, but still have a ways to go
Blood biomarker tests could help doctors know if a person's cognitive symptoms are due to Alzheimer's or something else.
