The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...

Nancy Reyering and six other volunteers from Woodside and Portola Valley made a delivery to the Restoration Hardware store in Palo Alto on Wednesday that they hope might send a message to the home ...

Despite major advances in artificial intelligence (AI) research for healthcare, the deployment and adoption of AI technologies remain limited in clinical practice. This paper describes the FUTURE-AI ...

After hours: 7:43:19 p.m. EST ...

Pre-Market: 5:02:56 a.m. EST ...

After hours: 4 February at 18:28:57 GMT-5 ...

After hours: 5 February at 18:44:41 GMT-5 ...

Monthly statistics are only included if there are more than 10 years of data. The number of years (provided in the 2nd last column of the table) may differ between elements if the observing program at ...

A summary of the major climate statistics recorded at this site is provided below. There is also an extended table with more statistics available. More detailed data for individual sites is available.