Why Trust Us? Two exciting new studies detail the life-supporting contents of a 4.3-ounce sample of the asteroid Bennu. The OSIRIS-REx mission returned to the sample to Earth in September of 2023 ...

It certifies that candidates have acquired advanced language skills and corresponds to the fourth level (B2) of the six-level scale of competence laid down in the Common European Framework of ...

The descriptors specify progressive mastery of each skill, which is graded on a six-level scale (A1, A2, B1, B2, C1, C2). However, for textbook authors, teachers and other professionals, the ...

B2 samples, managed by the Backblaze SE and evangelism teams. These projects are not officially supported, but please ask answer questions and submit feedback.

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.