![AJAX progress indicator](https://i0.wp.com/science-education-research.com/wp-content/plugins/TooltipProPlus/assets/css/images/ajax-loader.gif?w=840&ssl=1)
- labels for types of numbers are fossils
- Lakatos, Imre
- land vertebrates are a small branch
- lander Philae was intrepid
- laser creates a sort of ladder through a Bose-Einstein condensate
- laser used as a kind of spark plug
- latent variable
- lawfulness is the carrot that keeps science going
- lawn of bacteria
- leading questions
- leaf canopy captures sunshine
- learning bug
- learning impediment
- learning impediments
- learning demand
- learning doctor
- learning impediment
- learning progression
- learning quanta
- learning style
- life claws its way up the tree of life
- life cycles of stars can be inferred like the life cycles of trees
- life is a choreographed dance of quanticles
- lifeworld
- light transmission is like a bird passing through branches
- Lillian McDermott Medal
- lingua-chemica
- lipids have split personalities
- lithium is happy to give away an electron
- liver will break down anything it does not like the look of
- lodestone
- lodestone feeds on iron
- lodestone pines away with age
- logic and mathematics are fibres in the body of science
- logic and mathematics are the cement that binds scientific concepts
- long-term memory is like a corroded filing cabinet
- longitudinal studies