Recent studies of the global diversity of the lichenized fungal family Graphidaceae suggest that there are a large number of species remaining to be discovered. No less that 175 new species are introduced by Field Museum curators Thorsten Lumbsch and Robert Lücking and collaborators in a single study. However, statistical prediction suggests that the number of species still to be discovered and described is more than 1,800, presumed to occur largely in tropical regions of Mexico, the northern Andes, the Amazon, tropical West Africa, Southeast Asia, Indonesia, and Papua New Guinea.
The donated meteorite NWA 7325 is an ungrouped achondrite and comes from a planetary body that has not been sampled before. Thanks to private collector Terry Boudreaux the Museum has now access to this incredibly rare and scientifically valuable rock.
A couple of weeks ago some colleagues and I wrote a paper in Science reporting some new findings on Amazonian forests. Some of the findings are actually just numbers, and one of those numbers is really big. It's the number of trees we think probably grow in the Amazon, and it's 390 billion.