How is DNA used to identify victims of mass disasters?
DNA analysis is considered the gold standard for identifying victims of mass fatalities. But how does it work?
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Life's Little Mysteries
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Science news this week
Our roundup the biggest discoveries and top science in the news each week
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Health
'Epigenetic memory' may help explain why PCOS tends to run in families
New research suggests how PCOS may be partly inherited through "epigenetic memory," offering insight into why the condition tends to run in families.
Animals
'Alpha male' primates are rare, with females about as likely to dominate the opposite sex, study finds
Researchers have found that clear-cut male dominance is rare in primates, with both sexes capable of reigning supreme depending on the circumstances.
'We're bringing back avian dinosaurs': De-extinction company claims it will resurrect the giant moa in next 10 years
The South Island giant moa could be the next species that biotech company Colossal Biosciences "brings back" from extinction — but experts say the result will not and "cannot be" a moa.
Human Behavior
'The first author was a woman. She should be in the kitchen, not writing papers': Bias in STEM publishing still punishes women
"What is the hard evidence, beyond anecdote and suspicion, that unconscious bias impacts on women's careers? Increasing numbers of studies show, in many different guises, just how potent such bias can be."
Physics & Mathematics
Where do atoms come from? A physicist explains.
Almost everything on Earth is made up of atoms, but where do these fundamental building blocks come from?
'Dreadful danger for all mankind': Einstein's powerful anti-war letter goes up for auction
A fiery letter written by Albert Einstein in 1954 is going to auction. The letter details Einstein's thoughts on his part in developing atomic weapons, and hails Mahatma Gandhi as a political genius.
Chemistry
Scientists create ultra-tough copper alloy that is stronger than steel and can withstand temperatures of 1500 F
The new super-strong copper alloy can be used to build better airplanes and spacecraft.
Technology
Quantum materials with a 'hidden metallic state' could make electronics 1,000 times faster
By heating and cooling a quantum material called 1T-TaS₂, researchers were able to control its conductive properties, showing that this type of material could speed up electronic processing one thousand fold.
