Interests

• evolution of visual opsins in vertebrates
• early mammals, cynodonts, synapsids, tetrapods
• genus Homo, H. heidelbergensis, etc.

Contributions

Articles created

• Felix A. Aharonian
• Ronald Edward Zupko
• Composition of Yards and Perches
• Statutes of uncertain date
• Andrew Horn
• Liber Horn
• The Mirror of Justices

Articles improved

• Avoirdupois
• Drop (unit)
• English units
• Finger (unit)
• Foot (unit)
• Grain (unit)
• Imperial units
• Inch
• Minim (unit)
• Nail (unit)
• Pennyweight
• Pound (mass)
• Rod (unit)
• Tablespoon
• Teaspoon
• Troy weight
• Weights and Measures Act
• Winchester measure
• Yard

Useful tools

Converts bare URL from Google Books to Wikipedia reference format

Converts doi number to Wikipedia reference format

Interests

• the electromagnetic spectrum
• astronomy and astrophysics
• paleontology
• evolutionary biology

Userboxes

Zyxwv99 en This user is a native speaker of the English language. de-2 Dieser Benutzer hat fortgeschrittene Deutschkenntnisse. This user is a participant of WikiProject Measurement.