"Animal+Collections&amp"

350000 to 500000 YA. The Homo heidelbergensis skull Atapuerca 5 was discovered in Spain in 1992 by Juan-Luis Arsuaga, in the fossil-rich caves of Sima de los Huesos (Bone Pit), Sierra de Atapuerca.

Conduct Simulation-Based Experiments in a Virtual Lake Ecosystem

Combine 'Write-On/Wipe-Off' activities with interactive, multimedia coverage of key NGSS topics.

Combine 'Write-On/Wipe-Off' activities with interactive, multimedia coverage of key NGSS topics.

Combine 'Write-On/Wipe-Off' activities with interactive, multimedia coverage of key NGSS topics.

NewPath’s Human Body I: Moving and Controlling the Body Curriculum Learning Module provides a complete set of visual, digital and hands-on resources designed to support teacher instruction and provide students with the skills to master key concepts on the Human Body.

The Basic Melting Point Apparatus is primarily used in determining the purity of a sample and is optimized to quickly and efficiently heat up to 3 samples at one time.

BAG TAMP EVIDENCE COLLECTION LD PLASTIC

Enhance Your Lessons and Labs with Full Color Digital Images.

The Go Direct Voltage Probe combines a wide input voltage range and high precision, making it an excellent choice for investigations of both AC/DC circuits and electromagnetism.

The HOBO® Rain Gauge system is battery powered and includes a HOBO® Pendant Event data logger with a tipping-bucket rain gauge.

This recording module allows recording of up to three channels of ECG, EMG or EEG as well as GSR (galvanic skin response). The recorder includes iWorx LabScribe Recording and Analysis Software and connects directly to a USB port on either a Macintosh or Windows computer. The module connects to the subject by snap-leads to pre-gelled AG/AgCl electrodes for recording bipotential and a finger electrode to record GSR.

Provides essential thermocouple connector accessories that enable reliable connection and measurement of thermocouple sensors with single- or multi-channel HOBO thermocouple data loggers.

The SpectroQuest™ 2800 is the most economic general-purpose UV/VIS spectrophotometer on the market. It is a stand-alone model with 4 nm fixed bandwidth and provides excellent performance for measurements in the range of 190 nm to 1100 nm. It has a large angled LCD screen with contrast adjustment for comfortable viewing in a variety of room conditions. The large sample compartment (100 mm) accommodates a wide range of cell holders and accessories including peristaltic sipper and peltier system. Optional PC download software and PC Windows® application software make this instrument very versatile. Easy one-button recall and non-volatile memory storage make this spectrophotometer the choice of many classrooms and laboratories. The pre-aligned deuterium lamp allows for easy lamp replacement. Lamp usage and the status of the lamps are also available to the user. This model comes with USB and RS-232 ports for communication and software upgrades.

Use PCR and gel electrophoresis to help monitor the spread of antibiotic resistance in the environment.

The ammonia test kits employing the well-established Nessler reagent to determine ammonia concentrations are applicable to drinking water, clean surface water, and good-quality nitrified wastewater effluent.