In today's The Straits Times News In A Minute video, we look at:

* Sex-for-grades case: former law professor Tey Tsun Hang succeeded in his appeal and was cleared of corruption charges, after serving a five-month jail term

* Vivian Balakrishnan: prolonged dry spell is likely to continue for the next few weeks, but Singapore "will be alright" due to investments in desalination and Newater plants

* Otters and whistling ducks have been spotted at Gardens by the Bay, a sight National Development Minister Khaw Boon Wan called "marvellous"