While the positive impact of the arts on academic achievement is worthwhile in itself, it's also the tip of the iceberg when looking at the whole child. (edutopia.org)
I think we're just at the tip of the iceberg of what personalization is going to mean. (fashionista.com)
The species assessment so far is just the tip of the iceberg in terms of assessing global biodiversity. (scientificamerican.com)