Science & Technology

Komodo dragon teeth get their strength from an iron coat

Komodo dragon teeth are ironclad. Literally. The serrated edges and tips of the reptiles’ razor-sharp chompers are lined with a…

A new algae-based menstrual pad could stop leaks

Menstruation can be messy and uncomfortable, often due to leaky pads, tampons and cups. A new alginate-based powder may solve…

Moonquakes are much more common than thought, Apollo data suggest

A new look at decades-old data from the Apollo missions has uncovered evidence of tens of thousands of previously unrecognized…

NASA’s Perseverance rover finds its first possible hint of ancient life on Mars

NASA’s Perseverance rover has bagged its first hint of ancient microbes on Mars. “We’re not able to say that this…

The North Star is much heavier than previously thought

The star marking true north is a good deal heavier than we thought. The North Star is 5.1 times as…

Dark matter experiments get a first peek at the ‘neutrino fog’ 

The neutrino “fog” is beginning to materialize. Lightweight subatomic particles called neutrinos have begun elbowing their way into the data…

Sepsis tests take days, putting patients at risk. A new method may cut wait time

When bloodstream infections set in, fast treatment is crucial — but it can take several days to identify the bacteria…

HIV prevention may only require two injections per year

Zero: That’s the number of new HIV infections among young women and adolescent girls who took a twice-yearly preventive medicine.…

A new element on the periodic table might be within reach 

To expand the periodic table, it might be time to go titanium.  A new study lays the groundwork to expand…

Some melanoma cancer cells may punch their way through the body

Imagine tiny fists punching their way through your body. For some cancer patients, this may be the reality. Melanoma cells…