The kilogram is about to be redefined using Planck's constant and you can now measure this constant yourself with a little 'do-it-yourself' effort and some Lego. [ + ]

The average animal cell is 10 µm across - why? Why aren't they bigger?

Immuron (ASX:IM) has licensed its Travelan product - a preventative treatment for travellers diarrhoea - in China and expects the market to eclipse sales of the product in its other regions combined. [ + ]

Drug discovery company Re-Pharm has used computational chemistry suite Forge, a product of its parent company Cresset, to identify novel anti-inflammatory activity for an existing drug which is widely prescribed for other non-inflammatory conditions. [ + ]

CSL (ASX:CSL) has reported a net profit for the first half of FY15 of $890.3m, with sales increasing across all its core product segments.

Researchers from MIT have developed a new type of insulin which activates in the bloodstream only when it is needed. The development could make everyday life much easier for type 1 diabetes patients. [ + ]

Mesoblast (ASX:MSB) reported a 64% higher net loss for the half-year ending in December, but still ended the period in a strong cash position of $149.2m. [ + ]

It's no secret that honey bee populations have been rapidly declining of late. An international group of scientists, including Australians, thinks the cause of this collapse lies in young bees who are growing up too fast.

Prescient (ASX:PTX) has acquired the exclusive global rights to the p27 biomarker and plans to develop it as a companion diagnostic to cancer drug candidate PTX-100. [ + ]

Patrys (ASX:PAB) expects to have to delay a planned trial of PAT-SM6 in multiple myeloma due to issues surrounding the manufacture of materials for the study. [ + ]

Researchers from the US and China have discovered a structural variant of carbon called 'penta-graphene' - a very thin sheet of pure carbon that resembles the pentagonal pattern of the tiles which pave the streets of Cairo. [ + ]

Anthrax and Bubonic plague were among the 637 known bacterial, viral, fungal and animal species identified in the New York City Subway system. Only 12% of the bacteria species sampled are known to have some association with disease, but more interestingly still, 48.3% of the DNA sampled did not match any known organism.

Researchers from the US and China have discovered a structural variant of carbon called 'penta-graphene' - a very thin sheet of pure carbon that resembles the pentagonal pattern of the tiles which pave the streets of Cairo. [ + ]

Invion (ASX:IVX) has completed recruitment in a trial of INV102 in smoking cessation for chronic bronchitis patients, shortly after announcing positive interim results. [ + ]

"What's in a name?" was essentially the Australian government's response when concerns were first expressed about dropping "Science" from the ministerial portfolio titles back in 2013. [ + ]