In addition, the standard model says the particle also should have positive parity, which is a measure of how its mirror image behaves.

WSJ: New Data Boosts Case for Higgs Boson Find

The results were shown in the first randomized phase II study comparing trastuzumab-DM1 (T-DM1) to Herceptin (trastuzumab) plus chemotherapy (docetaxel), the current standard of care for first line HER2-positive metastatic breast cancer.

FORBES: Novartis Deal Bolsters Immunogen

Early positive results from T-DM1 demonstrated efficacy comparable to the current standard of care while exhibiting a better safety profile.

FORBES: Novartis Deal Bolsters Immunogen

"That was a higher standard than my previous matches and it's a big positive for me heading into the quarter-finals, " said Djokovic who reached the quarter-finals in all four Grand Slams last year.

BBC: Roger Federer & Novak Djokovic progress at Aussie Open