[NEWS] Five D-Brief links: Nile, apartment fungi, house plants, methane, HR 5183

• D-Brief looks at how the Nile River has kept its current course for 30 million years, here.
• D-Brief notes a study suggesting modern apartments are filled with fungi.
• House plants do not purify the air, D-Brief reports.
• D-Brief notes that 0.2% of the methane emitters in California release a third of the methane released in the entire state.
• A rocky planet in the right orbit in the HR5183 system, with a gas giant in a very eccentric orbit, could have a spectacular sky, D-Brief notes.