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Mammoths and other extinct Ice Age giants clung on longer than previously thought, DNA analysis suggests
Mammoths and other giant creatures of the Ice Age such as woolly rhinos survived longer than scientists thought, coexisting with humans for tens of thousands years before they vanished for good. That's according to the results of an ambitious 10-year research project that analyzed DNA from hundreds of soil samples across the Arctic.
[ cnn.com ]A vital clue to where Covid-19 came from may sit in Wuhan hospital
China is preparing to test thousands of blood samples from the city of Wuhan as part of the probe into the origins of Covid-19, but as CNN's Nick Paton Walsh reports, the World Health Organization and other foreign experts will not be allowed to analyze the data independently.
[ cnn.com ]China to test thousands of Wuhan blood samples in Covid-19 probe
China is preparing to test tens of thousands of blood bank samples from the city of Wuhan as part of a probe into the origins of Covid-19, according to a Chinese official. The move comes amid increasing calls for transparency over the emergence of the virus.
[ cnn.com ]The really worrisome thing about the Delta variant
Each week seems to bring another alarming development on the Covid-19 Delta variant. Just last week, we learned of an outbreak among hundreds of vaccinated people in Provincetown, Massachusetts. Of particular concern is the evidence of high amounts of virus in respiratory samples of vaccinated individuals suggesting that they can in fact be contagious.
[ cnn.com ]Ancient viruses dating back 15,000 years found in Tibetan glacier
Scientists have discovered previously unknown viruses dating from 15,000 years ago in ice samples taken from a glacier in the Tibetan plateau.
[ cnn.com ]Scientist says early coronavirus samples were deleted from NIH database
Scientists investigating the origins of the coronavirus pandemic might be working with the wrong samples, because some early samples of the virus submitted by a Chinese researcher were deleted from a shared database, an expert in the evolution of viruses says.
[ cnn.com ]Costco is bringing back free samples
Costco is bringing back a pre-pandemic staple: Food samples.
[ cnn.com ]Medina Spirit cleared to race in the Preakness Stakes after passing drug tests
Kentucky Derby winner Medina Spirit can race in Saturday's Preakness Stakes after the final two rounds of blood samples from the horse were deemed clear, officials said Friday.
[ cnn.com ]'Lost' microbes found in ancient poop could relieve chronic illness
Scientists working with samples of ancient feces have found previously unknown microbes that could help in the fight against chronic illnesses such as diabetes.
[ cnn.com ]Kanye West's Yeezys just sold for a record-breaking $1.8 million
Kanye West's Nike Air Yeezy samples have sold for a staggering 1.8 million in a private sale, making them the most expensive sneakers in the world. The shoes blew past their original valuation of $1 million and fetched the highest publicly recorded price for any pair of sneakers, confirmed Sotheby's auction house in a statement on Monday.
[ cnn.com ]See NASA's big plans for its new Mars rover
This is Perseverance, the next rover that NASA is sending to Mars. It's the first to collect rock and dust samples that will be returned to Earth.
[ cnn.com ]Batch of homegrown coronavirus mutations seen in US
Researchers said Sunday they have identified a batch of similar troubling mutations in coronavirus samples circulating in the United States. They've not only drawn attention to them; they've come up with a better shorthand for referring to them. They've named them after birds.
[ cnn.com ]WHO Wuhan mission finds possible signs of wider original outbreak in 2019
Investigators from the World Health Organization (WHO) looking into the origins of coronavirus in China have discovered signs the outbreak was much wider in Wuhan in December 2019 than previously thought, and are urgently seeking access to hundreds of thousands of blood samples from the city that China has not so far let them examine.
[ cnn.com ]Much of US data to catch newest coronavirus variants is several months old
As part of the hunt for new coronavirus variants, an international database shows the United States ranks 61st in how quickly virus samples are collected from patients, analyzed and then posted online.
[ cnn.com ]CDC hopes to double the number of coronavirus samples checked for new mutations
The US Centers for Disease Control and Prevention hopes to more than double the number of coronavirus genomes sequenced to watch for new mutations in the US over the next two weeks, a top official said Sunday.
[ cnn.com ]Patients hospitalized with mystery illness have excessive nickel and lead in blood, officials say
Health officials in India have found excessive amounts of lead and nickel in blood samples taken from patients who have been hospitalized in Andhra Pradesh, officials investigating the cases said Tuesday.
[ cnn.com ]Probe will land the first subsurface asteroid samples on Earth
The first sample collected from material beneath the surface of an asteroid is about to land on Earth.
[ cnn.com ]China is launching a space mission to collect the first rocks from the moon in 40 years
China plans to launch an unmanned spacecraft to the moon this week to bring back lunar rocks -- the first attempt by any nation to retrieve samples from Earth's natural satellite since the 1970s.
[ cnn.com ]The long road to returning first-ever samples from Mars
When NASA's Perseverance rover touches down on Mars in February 2021, the mission will spend the next two years exploring one of the oldest and most intriguing sites on the red planet: Jezero Crater.
[ cnn.com ]Here's what pooled testing is and how it can be used for Covid-19
US health officials are increasingly proposing pooled testing -- mixing several people's biological samples and examining them in a single test -- to drastically boost the country's capacity to identify and contain coronavirus cases.
[ cnn.com ]