English, Science, and Engineering: A Collection of Expository Essays for Students of Science and Engineering

acquired animals Anson Marston applied beauty become bees birds body called carbonic acid cells century Charles Darwin civil engineer color comb cuckoo Darwin direct dust earth eggs electric electric telegraph evolution existence experience facts Greek habit hive-bee humane letters humble-bees hypothesis ideas important instinct intellectual investigator JOHN TYNDALL kind knowledge labor Lamarck larvæ laws learning less light living logical mankind mathematics matter means mechanical Melipona ment method mind modern molecules motion natural science natural selection nest never observation organic Origin of Species particles perfect phenomena physical science plant possible practical present principles problem Professor Huxley progress protoplasm pupa question reasoning relation result sanguinea scientific sense SIMON NEWCOMB slaves species spheres structure struggle student suppose theory things THOMAS HENRY HUXLEY thought tion to-day true truth universe whole words young