Not registered yet?
Registration is free, quick and easy. You'll get more access to our content and extra features such as commenting and personalised newsletters.
Register now
Game over for the original kilogram
The big K has performed admirably for over a century but all the data is in to redefine the kilogram using natural constants
Airgas fined for fatal nitrogen leak at US sperm bank
$300,000 penalty for leak caused by over-pressurisation after Airgas failed to update tank safety label
Chemical and pharma bosses quit US manufacturing council
President Trump disbands the group after multiple advisers resign in protest against his stance on racism
US court denies Amgen appeal over Pfizer biosimilar
Amgen has lost its bid to compel Pfizer to divulge information about its version of anaemia drug Epogen
