Members of a clan can recognise each other by their smell. The badger has a special opening (called the subcaudal gland) under its tail, which produces a smelly liquid called musk. This musk is a soapy cream-coloured fatty substance (a bit like margarine in colour and texture).
The total average cost of the TAVI procedure was â¬ 22,876, of which 85% was attributable to the valve price, 7% to other material, 7% to staffing and 1% to logistics (Table 2).
That said, all this eye-tracking wizardry comes at a steep price of $3,245 (about Â£2,020/AU$3,483), a price that includes a mount and Surface Pro. The eye-tracking device itself costs $1,995 (about Â£1,242/AU$2,141) and another $350 (about Â£219/AU$375) for the bracket.