Tesla Inc top boss Elon Musk said on Tuesday theelectric-car maker will host its second artificial intelligenceday on Aug. 19, with the company likely to expand on plans tofine-tune its self-driving technology. “The purpose ofAI Day is to convince great AI/software/chip talent to joinTesla,” the billionaire said in a tweet.
Pollution killing 9 million people a year, Africa hardesthit - study
Worsening outdoor air pollution and toxic lead poisoninghave kept global deaths from environmental contamination at anestimated 9 million per year since 2015 – countering modestprogress made in tackling pollution elsewhere, a team ofscientists reported Tuesday. Air pollution from industryprocesses along with urbanization drove a 7% increase inpollution-related deaths from 2015 to 2019, according to thescientists’ analysis of data on global mortality and pollutionlevels.
U.S. officials say Pentagon committed to understanding UFOorigins
Two senior U.S. defense intelligence officials said onTuesday the Pentagon is committed to determining the origins ofwhat it calls “unidentified aerial phenomena” - commonly termedUFOs - but acknowledged many remain beyond the government’sability to explain. The two officials, Ronald Moultrie andScott Bray, appeared before a House of Representativesintelligence subcommittee for the first public U.S.congressional hearing on the subject in a half century. It came11 months after a government report documented more than 140cases of unidentified aerial phenomena, or UAPs, that U.S.military pilots had observed since 2004.
Prehistoric fossil in Peru sheds light on marine origin ofcrocodiles
The discovery of a prehistoric crocodile fossil in Perufrom around 7 million years ago has given paleontologists moreclues as to how modern crocodiles, all freshwater creatures inthe Andean country, first came to land from the sea.According to a Peruvian research team that analyzed jaw andskull remains of the species, the animal likely would haveprobably crossed the Atlantic Ocean to the coast of SouthAmerica, eventually populating what is now southern Peru.
Tooth from Laotian cave sheds light on enigmatic extincthumans
A young girl’s tooth excavated from a cave wall innortheastern Laos is providing new insight into the mysteriousextinct human species called Denisovans and revealing theirresourcefulness in adapting to both tropical and chilly climes.The tooth is one of the few physical remains known ofDenisovans, a sister lineage to Neanderthals who until now hadbeen known only from scrappy dental and bone fossils from asingle site in Siberia and one in the Himalayas.